[pkg-go] golang-github-docker-libnetwork is marked for autoremoval from testing

[Debian testing autoremoval watch]

golang-github-docker-libnetwork 0.8~git20161019.0.66c8446-1 is marked for autoremoval from testing on 2017-01-06

It (build-)depends on packages with these RC bugs:
845148: consul: consul FTBFS in stretch due to missing golang-github-fsouza-go-dockerclient-dev
845453: golang-github-googleapis-proto-client-go: FTBFS: logging.pb.go:216: undefined: grpc.SupportPackageIsVersion3
846322: golang-google-cloud: FTBFS (undefined: grpc.SupportPackageIsVersion3)
846542: etcd: FTBFS in testing (undefined: grpc.SupportPackageIsVersion3)
846799: golang-google-cloud: fails to upgrade