diff --git a/install.sh b/install.sh
index 520f39513631..e87e1c44b171 100755
--- a/install.sh
+++ b/install.sh
@@ -967,6 +967,9 @@ service_enable_and_start() {
         return
     fi
 
+    $SUDO iptables-legacy-save | grep -v KUBE- | grep -v CNI- | grep -iv flannel | $SUDO iptables-legacy-restore
+    $SUDO ip6tables-legacy-save | grep -v KUBE- | grep -v CNI- | grep -iv flannel | $SUDO ip6tables-legacy-restore
+
     [ "${HAS_SYSTEMD}" = true ] && systemd_start
     [ "${HAS_OPENRC}" = true ] && openrc_start
     return 0