github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=

	if port <= 0 {
		return
	}
	mux := http.NewServeMux()
	var listener net.Listener
	var err error
	if listener, err = net.Listen("tcp", fmt.Sprintf(":%d", port)); err != nil {
		log.Errorf("unable to listen on socket: %v", err)
		return
	}
	exporter, err := monitoring.RegisterPrometheusExporter(nil, nil)
	if err != nil {
		log.Errorf("could not set up prometheus exporter: %v", err)

		}
	}()

	context.AfterFunc(s.ctx, func() {
		if err := s.cniListenServer.Close(); err != nil {
			log.Errorf("CNI listen server terminated with error: %v", err)
		} else {
			log.Debug("CNI listen server terminated")
		}
	})
	return nil
}

func (s *CniPluginServer) handleAddEvent(w http.ResponseWriter, req *http.Request) {
	if req.Body == nil {

		if cfg.InstallConfig.AmbientEnabled {
			// Start ambient controller

			// node agent will spawn a goroutine and watch the K8S API for events,
			// as well as listen for messages from the CNI binary.
			log.Info("Starting ambient node agent with inpod redirect mode")
			ambientAgent, err := nodeagent.NewServer(ctx, watchServerReady, cfg.InstallConfig.CNIEventAddress,
				nodeagent.AmbientArgs{