Merge pull request #2838 from weaveworks/tweak-privileged

Remove some unnecessary --privileged flags

weave

@@ -499,7 +499,7 @@ util_op() {
     if command_exists weaveutil ; then
         weaveutil "$@"
     else
-        docker run --rm --privileged --net=host --pid=host $(docker_sock_options) \
+        docker run --rm --pid=host $(docker_run_options) \
             --entrypoint=/usr/bin/weaveutil $EXEC_IMAGE "$@"
     fi
 }
@@ -1187,7 +1187,7 @@ rewrite_etc_hosts() {
     CONTENTS="$(etc_hosts_contents $FQDN "$@")"
     # rewrite /etc/hosts, unlinking the file (so Docker does not modify it again) but
     # leaving it with valid contents...
-    docker run --rm --net=none -e WEAVE_CIDR=none --privileged \
+    docker run --rm --net=none -e WEAVE_CIDR=none \
         -v $CONTAINERS_PATH:$MNT \
         --entrypoint=sh \
         $EXEC_IMAGE -c "echo '$CONTENTS' > $MNT_HOSTS && rm -f $MNT_HOSTS && echo '$CONTENTS' > $MNT_HOSTS"