Specify /dev/null stdin for netcat, to avoid inconsistency in Docker 1.11
Specify /dev/null stdin for netcat, to avoid inconsistency in Docker 1.11

paulbellamy/weave,weaveworks/weave,weaveworks/weave,n054/weave,paulbellamy/weave,paulbellamy/weave,weaveworks/weave,n054/weave,paulbellamy/weave,n054/weave,weaveworks/weave,n054/weave,n054/weave