Return errors that happen inside WithNetNS
Return errors that happen inside WithNetNS

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