[proxy] do not weave attach containers in '--net=host|container:<name|id>'

proxy/create_exec_interceptor.go

@@ -30,7 +30,7 @@ func (i *createExecInterceptor) InterceptRequest(r *http.Request) error {
 	}
 
 	_, hasWeaveWait := container.Volumes["/w"]
-	cidrs, hasCIDRs := i.proxy.weaveCIDRsFromConfig(container.Config)
+	cidrs, hasCIDRs := i.proxy.weaveCIDRsFromConfig(container.Config, container.HostConfig)
 	if hasCIDRs && hasWeaveWait {
 		Info.Printf("Exec in container %s with WEAVE_CIDR \"%s\"", container.ID, strings.Join(cidrs, " "))
 		cmd := append(weaveWaitEntrypoint, "-s")