diff --git a/internal/cmd/egctl/testdata/translate/out/authn-single-route-single-match-to-xds.all.json b/internal/cmd/egctl/testdata/translate/out/authn-single-route-single-match-to-xds.all.json
index 4dc9b4e70c1..e50285bbf65 100644
--- a/internal/cmd/egctl/testdata/translate/out/authn-single-route-single-match-to-xds.all.json
+++ b/internal/cmd/egctl/testdata/translate/out/authn-single-route-single-match-to-xds.all.json
@@ -310,7 +310,7 @@
                         "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                         "logFormat": {
                           "textFormatSource": {
-                            "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                            "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                           }
                         },
                         "path": "/dev/stdout"
@@ -336,7 +336,7 @@
                                 "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                                 "logFormat": {
                                   "textFormatSource": {
-                                    "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                                    "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                                   }
                                 },
                                 "path": "/dev/stdout"
diff --git a/internal/cmd/egctl/testdata/translate/out/authn-single-route-single-match-to-xds.all.yaml b/internal/cmd/egctl/testdata/translate/out/authn-single-route-single-match-to-xds.all.yaml
index 6c4f7393909..6573b350f18 100644
--- a/internal/cmd/egctl/testdata/translate/out/authn-single-route-single-match-to-xds.all.yaml
+++ b/internal/cmd/egctl/testdata/translate/out/authn-single-route-single-match-to-xds.all.yaml
@@ -182,7 +182,7 @@ xds:
                 logFormat:
                   textFormatSource:
                     inlineString: |
-                      [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                      {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                 path: /dev/stdout
             address:
               socketAddress:
@@ -200,7 +200,7 @@ xds:
                       logFormat:
                         textFormatSource:
                           inlineString: |
-                            [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                            {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                       path: /dev/stdout
                   commonHttpProtocolOptions:
                     headersWithUnderscoresAction: REJECT_REQUEST
diff --git a/internal/cmd/egctl/testdata/translate/out/authn-single-route-single-match-to-xds.listener.yaml b/internal/cmd/egctl/testdata/translate/out/authn-single-route-single-match-to-xds.listener.yaml
index 89a2578ecf3..38158d8d227 100644
--- a/internal/cmd/egctl/testdata/translate/out/authn-single-route-single-match-to-xds.listener.yaml
+++ b/internal/cmd/egctl/testdata/translate/out/authn-single-route-single-match-to-xds.listener.yaml
@@ -16,7 +16,7 @@ xds:
               logFormat:
                 textFormatSource:
                   inlineString: |
-                    [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                    {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
               path: /dev/stdout
           address:
             socketAddress:
@@ -34,7 +34,7 @@ xds:
                     logFormat:
                       textFormatSource:
                         inlineString: |
-                          [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                          {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                     path: /dev/stdout
                 commonHttpProtocolOptions:
                   headersWithUnderscoresAction: REJECT_REQUEST
diff --git a/internal/cmd/egctl/testdata/translate/out/default-resources.all.yaml b/internal/cmd/egctl/testdata/translate/out/default-resources.all.yaml
index 5cf3b441bf1..2bc0ffa9d87 100644
--- a/internal/cmd/egctl/testdata/translate/out/default-resources.all.yaml
+++ b/internal/cmd/egctl/testdata/translate/out/default-resources.all.yaml
@@ -694,7 +694,7 @@ xds:
                 logFormat:
                   textFormatSource:
                     inlineString: |
-                      [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                      {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                 path: /dev/stdout
             address:
               socketAddress:
@@ -712,7 +712,7 @@ xds:
                       logFormat:
                         textFormatSource:
                           inlineString: |
-                            [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                            {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                       path: /dev/stdout
                   commonHttpProtocolOptions:
                     headersWithUnderscoresAction: REJECT_REQUEST
@@ -752,7 +752,7 @@ xds:
                 logFormat:
                   textFormatSource:
                     inlineString: |
-                      [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                      {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                 path: /dev/stdout
             address:
               socketAddress:
@@ -770,7 +770,7 @@ xds:
                       logFormat:
                         textFormatSource:
                           inlineString: |
-                            [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                            {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                       path: /dev/stdout
                   commonHttpProtocolOptions:
                     headersWithUnderscoresAction: REJECT_REQUEST
@@ -816,7 +816,7 @@ xds:
                 logFormat:
                   textFormatSource:
                     inlineString: |
-                      [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                      {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                 path: /dev/stdout
             address:
               socketAddress:
@@ -837,7 +837,7 @@ xds:
                       logFormat:
                         textFormatSource:
                           inlineString: |
-                            [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                            {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                       path: /dev/stdout
                   cluster: tlsroute/default/backend/rule/-1
                   statPrefix: passthrough
@@ -861,7 +861,7 @@ xds:
                 logFormat:
                   textFormatSource:
                     inlineString: |
-                      [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                      {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                 path: /dev/stdout
             address:
               socketAddress:
@@ -879,7 +879,7 @@ xds:
                       logFormat:
                         textFormatSource:
                           inlineString: |
-                            [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                            {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                       path: /dev/stdout
                   cluster: tcproute/default/backend/rule/-1
                   statPrefix: tcp
@@ -899,7 +899,7 @@ xds:
                 logFormat:
                   textFormatSource:
                     inlineString: |
-                      [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                      {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                 path: /dev/stdout
             address:
               socketAddress:
@@ -917,7 +917,7 @@ xds:
                     logFormat:
                       textFormatSource:
                         inlineString: |
-                          [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                          {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                     path: /dev/stdout
                 matcher:
                   onNoMatch:
diff --git a/internal/cmd/egctl/testdata/translate/out/envoy-patch-policy.all.yaml b/internal/cmd/egctl/testdata/translate/out/envoy-patch-policy.all.yaml
index 83079b72b2b..7f3144f8d89 100644
--- a/internal/cmd/egctl/testdata/translate/out/envoy-patch-policy.all.yaml
+++ b/internal/cmd/egctl/testdata/translate/out/envoy-patch-policy.all.yaml
@@ -137,7 +137,7 @@ xds:
                 logFormat:
                   textFormatSource:
                     inlineString: |
-                      [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                      {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                 path: /dev/stdout
             address:
               socketAddress:
@@ -155,7 +155,7 @@ xds:
                       logFormat:
                         textFormatSource:
                           inlineString: |
-                            [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                            {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                       path: /dev/stdout
                   commonHttpProtocolOptions:
                     headersWithUnderscoresAction: REJECT_REQUEST
diff --git a/internal/cmd/egctl/testdata/translate/out/from-gateway-api-to-xds.all.json b/internal/cmd/egctl/testdata/translate/out/from-gateway-api-to-xds.all.json
index dbb861f23a1..69b234c65cc 100644
--- a/internal/cmd/egctl/testdata/translate/out/from-gateway-api-to-xds.all.json
+++ b/internal/cmd/egctl/testdata/translate/out/from-gateway-api-to-xds.all.json
@@ -450,7 +450,7 @@
                         "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                         "logFormat": {
                           "textFormatSource": {
-                            "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                            "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                           }
                         },
                         "path": "/dev/stdout"
@@ -476,7 +476,7 @@
                                 "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                                 "logFormat": {
                                   "textFormatSource": {
-                                    "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                                    "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                                   }
                                 },
                                 "path": "/dev/stdout"
@@ -543,7 +543,7 @@
                         "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                         "logFormat": {
                           "textFormatSource": {
-                            "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                            "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                           }
                         },
                         "path": "/dev/stdout"
@@ -569,7 +569,7 @@
                                 "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                                 "logFormat": {
                                   "textFormatSource": {
-                                    "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                                    "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                                   }
                                 },
                                 "path": "/dev/stdout"
@@ -645,7 +645,7 @@
                         "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                         "logFormat": {
                           "textFormatSource": {
-                            "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                            "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                           }
                         },
                         "path": "/dev/stdout"
@@ -677,7 +677,7 @@
                                   "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                                   "logFormat": {
                                     "textFormatSource": {
-                                      "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                                      "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                                     }
                                   },
                                   "path": "/dev/stdout"
@@ -722,7 +722,7 @@
                         "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                         "logFormat": {
                           "textFormatSource": {
-                            "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                            "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                           }
                         },
                         "path": "/dev/stdout"
@@ -749,7 +749,7 @@
                                   "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                                   "logFormat": {
                                     "textFormatSource": {
-                                      "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                                      "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                                     }
                                   },
                                   "path": "/dev/stdout"
@@ -786,7 +786,7 @@
                         "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                         "logFormat": {
                           "textFormatSource": {
-                            "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                            "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                           }
                         },
                         "path": "/dev/stdout"
@@ -812,7 +812,7 @@
                               "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                               "logFormat": {
                                 "textFormatSource": {
-                                  "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                                  "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                                 }
                               },
                               "path": "/dev/stdout"
diff --git a/internal/cmd/egctl/testdata/translate/out/from-gateway-api-to-xds.all.yaml b/internal/cmd/egctl/testdata/translate/out/from-gateway-api-to-xds.all.yaml
index 682839c5e6d..e5e652e57dc 100644
--- a/internal/cmd/egctl/testdata/translate/out/from-gateway-api-to-xds.all.yaml
+++ b/internal/cmd/egctl/testdata/translate/out/from-gateway-api-to-xds.all.yaml
@@ -266,7 +266,7 @@ xds:
                 logFormat:
                   textFormatSource:
                     inlineString: |
-                      [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                      {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                 path: /dev/stdout
             address:
               socketAddress:
@@ -284,7 +284,7 @@ xds:
                       logFormat:
                         textFormatSource:
                           inlineString: |
-                            [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                            {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                       path: /dev/stdout
                   commonHttpProtocolOptions:
                     headersWithUnderscoresAction: REJECT_REQUEST
@@ -324,7 +324,7 @@ xds:
                 logFormat:
                   textFormatSource:
                     inlineString: |
-                      [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                      {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                 path: /dev/stdout
             address:
               socketAddress:
@@ -342,7 +342,7 @@ xds:
                       logFormat:
                         textFormatSource:
                           inlineString: |
-                            [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                            {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                       path: /dev/stdout
                   commonHttpProtocolOptions:
                     headersWithUnderscoresAction: REJECT_REQUEST
@@ -388,7 +388,7 @@ xds:
                 logFormat:
                   textFormatSource:
                     inlineString: |
-                      [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                      {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                 path: /dev/stdout
             address:
               socketAddress:
@@ -409,7 +409,7 @@ xds:
                       logFormat:
                         textFormatSource:
                           inlineString: |
-                            [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                            {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                       path: /dev/stdout
                   cluster: tlsroute/default/backend/rule/-1
                   statPrefix: passthrough
@@ -433,7 +433,7 @@ xds:
                 logFormat:
                   textFormatSource:
                     inlineString: |
-                      [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                      {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                 path: /dev/stdout
             address:
               socketAddress:
@@ -451,7 +451,7 @@ xds:
                       logFormat:
                         textFormatSource:
                           inlineString: |
-                            [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                            {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                       path: /dev/stdout
                   cluster: tcproute/default/backend/rule/-1
                   statPrefix: tcp
@@ -471,7 +471,7 @@ xds:
                 logFormat:
                   textFormatSource:
                     inlineString: |
-                      [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                      {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                 path: /dev/stdout
             address:
               socketAddress:
@@ -489,7 +489,7 @@ xds:
                     logFormat:
                       textFormatSource:
                         inlineString: |
-                          [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                          {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                     path: /dev/stdout
                 matcher:
                   onNoMatch:
diff --git a/internal/cmd/egctl/testdata/translate/out/from-gateway-api-to-xds.listener.yaml b/internal/cmd/egctl/testdata/translate/out/from-gateway-api-to-xds.listener.yaml
index 49cf341ed49..ae7fce949cf 100644
--- a/internal/cmd/egctl/testdata/translate/out/from-gateway-api-to-xds.listener.yaml
+++ b/internal/cmd/egctl/testdata/translate/out/from-gateway-api-to-xds.listener.yaml
@@ -16,7 +16,7 @@ xds:
               logFormat:
                 textFormatSource:
                   inlineString: |
-                    [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                    {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
               path: /dev/stdout
           address:
             socketAddress:
@@ -34,7 +34,7 @@ xds:
                     logFormat:
                       textFormatSource:
                         inlineString: |
-                          [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                          {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                     path: /dev/stdout
                 commonHttpProtocolOptions:
                   headersWithUnderscoresAction: REJECT_REQUEST
@@ -74,7 +74,7 @@ xds:
               logFormat:
                 textFormatSource:
                   inlineString: |
-                    [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                    {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
               path: /dev/stdout
           address:
             socketAddress:
@@ -92,7 +92,7 @@ xds:
                     logFormat:
                       textFormatSource:
                         inlineString: |
-                          [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                          {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                     path: /dev/stdout
                 commonHttpProtocolOptions:
                   headersWithUnderscoresAction: REJECT_REQUEST
@@ -138,7 +138,7 @@ xds:
               logFormat:
                 textFormatSource:
                   inlineString: |
-                    [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                    {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
               path: /dev/stdout
           address:
             socketAddress:
@@ -159,7 +159,7 @@ xds:
                     logFormat:
                       textFormatSource:
                         inlineString: |
-                          [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                          {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                     path: /dev/stdout
                 cluster: tlsroute/default/backend/rule/-1
                 statPrefix: passthrough
@@ -183,7 +183,7 @@ xds:
               logFormat:
                 textFormatSource:
                   inlineString: |
-                    [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                    {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
               path: /dev/stdout
           address:
             socketAddress:
@@ -201,7 +201,7 @@ xds:
                     logFormat:
                       textFormatSource:
                         inlineString: |
-                          [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                          {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                     path: /dev/stdout
                 cluster: tcproute/default/backend/rule/-1
                 statPrefix: tcp
@@ -221,7 +221,7 @@ xds:
               logFormat:
                 textFormatSource:
                   inlineString: |
-                    [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                    {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
               path: /dev/stdout
           address:
             socketAddress:
@@ -239,7 +239,7 @@ xds:
                   logFormat:
                     textFormatSource:
                       inlineString: |
-                        [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                        {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                   path: /dev/stdout
               matcher:
                 onNoMatch:
diff --git a/internal/cmd/egctl/testdata/translate/out/rate-limit-filter-single-route-single-match-to-xds.all.json b/internal/cmd/egctl/testdata/translate/out/rate-limit-filter-single-route-single-match-to-xds.all.json
index a2185ebecf8..46fbf649718 100644
--- a/internal/cmd/egctl/testdata/translate/out/rate-limit-filter-single-route-single-match-to-xds.all.json
+++ b/internal/cmd/egctl/testdata/translate/out/rate-limit-filter-single-route-single-match-to-xds.all.json
@@ -328,7 +328,7 @@
                         "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                         "logFormat": {
                           "textFormatSource": {
-                            "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                            "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                           }
                         },
                         "path": "/dev/stdout"
@@ -354,7 +354,7 @@
                                 "@type": "type.googleapis.com/envoy.extensions.access_loggers.file.v3.FileAccessLog",
                                 "logFormat": {
                                   "textFormatSource": {
-                                    "inlineString": "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% \"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+                                    "inlineString": "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\",\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\",\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\",\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\",\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\",\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\",\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\",\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\",\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\",\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\",\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\",\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\",\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\",\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\",\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
                                   }
                                 },
                                 "path": "/dev/stdout"
diff --git a/internal/cmd/egctl/testdata/translate/out/rate-limit-filter-single-route-single-match-to-xds.all.yaml b/internal/cmd/egctl/testdata/translate/out/rate-limit-filter-single-route-single-match-to-xds.all.yaml
index 79a305ac7be..d05f2568b59 100644
--- a/internal/cmd/egctl/testdata/translate/out/rate-limit-filter-single-route-single-match-to-xds.all.yaml
+++ b/internal/cmd/egctl/testdata/translate/out/rate-limit-filter-single-route-single-match-to-xds.all.yaml
@@ -192,7 +192,7 @@ xds:
                 logFormat:
                   textFormatSource:
                     inlineString: |
-                      [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                      {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                 path: /dev/stdout
             address:
               socketAddress:
@@ -210,7 +210,7 @@ xds:
                       logFormat:
                         textFormatSource:
                           inlineString: |
-                            [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                            {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                       path: /dev/stdout
                   commonHttpProtocolOptions:
                     headersWithUnderscoresAction: REJECT_REQUEST
diff --git a/internal/cmd/egctl/testdata/translate/out/rate-limit-filter-single-route-single-match-to-xds.listener.yaml b/internal/cmd/egctl/testdata/translate/out/rate-limit-filter-single-route-single-match-to-xds.listener.yaml
index cfb25f80221..112a3fd288f 100644
--- a/internal/cmd/egctl/testdata/translate/out/rate-limit-filter-single-route-single-match-to-xds.listener.yaml
+++ b/internal/cmd/egctl/testdata/translate/out/rate-limit-filter-single-route-single-match-to-xds.listener.yaml
@@ -16,7 +16,7 @@ xds:
               logFormat:
                 textFormatSource:
                   inlineString: |
-                    [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                    {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
               path: /dev/stdout
           address:
             socketAddress:
@@ -34,7 +34,7 @@ xds:
                     logFormat:
                       textFormatSource:
                         inlineString: |
-                          [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                          {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
                     path: /dev/stdout
                 commonHttpProtocolOptions:
                   headersWithUnderscoresAction: REJECT_REQUEST
diff --git a/internal/xds/translator/accesslog.go b/internal/xds/translator/accesslog.go
index 3e1812238fe..c9dfcbc47a5 100644
--- a/internal/xds/translator/accesslog.go
+++ b/internal/xds/translator/accesslog.go
@@ -27,9 +27,21 @@ import (
 const (
 	// EnvoyTextLogFormat is the default log format for Envoy.
 	// See https://www.envoyproxy.io/docs/envoy/latest/configuration/observability/access_log/usage#default-format-string
-	EnvoyTextLogFormat = "[%START_TIME%] \"%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%\" " +
-		"%RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% " +
-		"\"%REQ(X-FORWARDED-FOR)%\" \"%REQ(USER-AGENT)%\" \"%REQ(X-REQUEST-ID)%\" \"%REQ(:AUTHORITY)%\" \"%UPSTREAM_HOST%\"\n"
+	EnvoyTextLogFormat = "{\"start_time\":\"%START_TIME%\",\"method\":\"%REQ(:METHOD)%\"," +
+		"\"x-envoy-origin-path\":\"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%\",\"protocol\":\"%PROTOCOL%\"," +
+		"\"response_code\":\"%RESPONSE_CODE%\",\"response_flags\":\"%RESPONSE_FLAGS%\"," +
+		"\"response_code_details\":\"%RESPONSE_CODE_DETAILS%\"," +
+		"\"connection_termination_details\":\"%CONNECTION_TERMINATION_DETAILS%\"," +
+		"\"upstream_transport_failure_reason\":\"%UPSTREAM_TRANSPORT_FAILURE_REASON%\"," +
+		"\"bytes_received\":\"%BYTES_RECEIVED%\",\"bytes_sent\":\"%BYTES_SENT%\"," +
+		"\"duration\":\"%DURATION%\",\"x-envoy-upstream-service-time\":\"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%\"," +
+		"\"x-forwarded-for\":\"%REQ(X-FORWARDED-FOR)%\",\"user-agent\":\"%REQ(USER-AGENT)%\"," +
+		"\"x-request-id\":\"%REQ(X-REQUEST-ID)%\",\":authority\":\"%REQ(:AUTHORITY)%\"," +
+		"\"upstream_host\":\"%UPSTREAM_HOST%\",\"upstream_cluster\":\"%UPSTREAM_CLUSTER%\"," +
+		"\"upstream_local_address\":\"%UPSTREAM_LOCAL_ADDRESS%\"," +
+		"\"downstream_local_address\":\"%DOWNSTREAM_LOCAL_ADDRESS%\"," +
+		"\"downstream_remote_address\":\"%DOWNSTREAM_REMOTE_ADDRESS%\"," +
+		"\"requested_server_name\":\"%REQUESTED_SERVER_NAME%\",\"route_name\":\"%ROUTE_NAME%\"}\n"
 
 	otelLogName   = "otel_envoy_accesslog"
 	otelAccessLog = "envoy.access_loggers.open_telemetry"
diff --git a/internal/xds/translator/testdata/out/xds-ir/authn-multi-route-single-provider.listeners.yaml b/internal/xds/translator/testdata/out/xds-ir/authn-multi-route-single-provider.listeners.yaml
index 33431e64fc7..133530ef79f 100644
--- a/internal/xds/translator/testdata/out/xds-ir/authn-multi-route-single-provider.listeners.yaml
+++ b/internal/xds/translator/testdata/out/xds-ir/authn-multi-route-single-provider.listeners.yaml
@@ -9,7 +9,7 @@
       logFormat:
         textFormatSource:
           inlineString: |
-            [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+            {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
       path: /dev/stdout
   address:
     socketAddress:
@@ -27,7 +27,7 @@
             logFormat:
               textFormatSource:
                 inlineString: |
-                  [%START_TIME%] "%REQ(:METHOD)% %REQ(X-ENVOY-ORIGINAL-PATH?:PATH)% %PROTOCOL%" %RESPONSE_CODE% %RESPONSE_FLAGS% %BYTES_RECEIVED% %BYTES_SENT% %DURATION% %RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)% "%REQ(X-FORWARDED-FOR)%" "%REQ(USER-AGENT)%" "%REQ(X-REQUEST-ID)%" "%REQ(:AUTHORITY)%" "%UPSTREAM_HOST%"
+                  {"start_time":"%START_TIME%","method":"%REQ(:METHOD)%","x-envoy-origin-path":"%REQ(X-ENVOY-ORIGINAL-PATH?:PATH)%","protocol":"%PROTOCOL%","response_code":"%RESPONSE_CODE%","response_flags":"%RESPONSE_FLAGS%","response_code_details":"%RESPONSE_CODE_DETAILS%","connection_termination_details":"%CONNECTION_TERMINATION_DETAILS%","upstream_transport_failure_reason":"%UPSTREAM_TRANSPORT_FAILURE_REASON%","bytes_received":"%BYTES_RECEIVED%","bytes_sent":"%BYTES_SENT%","duration":"%DURATION%","x-envoy-upstream-service-time":"%RESP(X-ENVOY-UPSTREAM-SERVICE-TIME)%","x-forwarded-for":"%REQ(X-FORWARDED-FOR)%","user-agent":"%REQ(USER-AGENT)%","x-request-id":"%REQ(X-REQUEST-ID)%",":authority":"%REQ(:AUTHORITY)%","upstream_host":"%UPSTREAM_HOST%","upstream_cluster":"%UPSTREAM_CLUSTER%","upstream_local_address":"%UPSTREAM_LOCAL_ADDRESS%","downstream_local_address":"%DOWNSTREAM_LOCAL_ADDRESS%","downstream_remote_address":"%DOWNSTREAM_REMOTE_ADDRESS%","requested_server_name":"%REQUESTED_SERVER_NAME%","route_name":"%ROUTE_NAME%"}
             path: /dev/stdout
         commonHttpProtocolOptions:
           headersWithUnderscoresAction: REJECT_REQUEST