bump libnetwork 55685ba49593e67f5e1c8180539379b16736c25e (18.09 branch)

full diff: moby/libnetwork@e7933d4...55685ba

changes included:

- moby/libnetwork#2382 Backporting PR 2069 to bump_18.09
  - backport of https://github.com/docker/libnetwork#2069 Rolling back the port configs if failed to programIngress()
- moby/libnetwork#2363 [18.09] align dependencies with engine 18.09
- moby/libnetwork#2400 [18.09 backport] Fix TestValidRemoteDriver GetCapabilities errors
- moby/libnetwork#2391 [18.09 backport] Correctly clean up --config-only networks
  - backport of moby/libnetwork#2373
  - fixes moby#35101
- moby/libnetwork#2392 [18.09 backport] remove gosimple - package is gone and it's not important

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

hack/dockerfile/install/proxy.installer

@@ -3,7 +3,7 @@
 # LIBNETWORK_COMMIT is used to build the docker-userland-proxy binary. When
 # updating the binary version, consider updating github.com/docker/libnetwork
 # in vendor.conf accordingly
-LIBNETWORK_COMMIT=e7933d41e7b206756115aa9df5e0599fc5169742 # bump_18.09 branch
+LIBNETWORK_COMMIT=55685ba49593e67f5e1c8180539379b16736c25e # bump_18.09 branch
 
 install_proxy() {
 	case "$1" in

vendor.conf

@@ -37,7 +37,7 @@ github.com/mitchellh/hashstructure 2bca23e0e452137f789efbc8610126fd8b94f73b
 #get libnetwork packages
 
 # When updating, also update LIBNETWORK_COMMIT in hack/dockerfile/install/proxy accordingly
-github.com/docker/libnetwork e7933d41e7b206756115aa9df5e0599fc5169742 # bump_18.09 branch
+github.com/docker/libnetwork 55685ba49593e67f5e1c8180539379b16736c25e # bump_18.09 branch
 github.com/docker/go-events 9461782956ad83b30282bf90e31fa6a70c255ba9
 github.com/armon/go-radix e39d623f12e8e41c7b5529e9a9dd67a1e2261f80
 github.com/armon/go-metrics eb0af217e5e9747e41dd5303755356b62d28e3ec