portForwarder, err := client.NewPortForwarder(podName, ns, "", 0, controlzPort)
			if err != nil {
				return fmt.Errorf("could not build port forwarder for ControlZ %s: %v", podName, err)
			}
			defer portForwarder.Close()
			err = portForwarder.Start()
			if err != nil {
				return fmt.Errorf("could not start port forwarder for ControlZ %s: %v", podName, err)
			}

			ctrlzClient := &ControlzClient{
				baseURL: &url.URL{

	expDate, err := time.Parse(time.RFC3339, cert.ExpirationTime)
	if err != nil {
		log.Errorf("certificate timestamp (%v) could not be parsed: %v", cert.ExpirationTime, err)
		return false
	}
	fromDate, err := time.Parse(time.RFC3339, cert.ValidFrom)
	if err != nil {
		log.Errorf("certificate timestamp (%v) could not be parsed: %v", cert.ValidFrom, err)
		return false
	}
	if today.After(fromDate) && today.Before(expDate) {

	s.pods.AddEventHandler(controllers.FromEventHandler(func(o controllers.Event) {
		s.queue.Add(o)
	}))

	// Namespaces could be anything though, so we watch all of those
	//
	// NOTE that we are requeueing namespaces here explicitly to work around
	// test flakes with the fake kube client in `pkg/kube/client.go` -

				} else {
					path := "config_dump"
					envoyDump, err = kubeClient.EnvoyDo(context.TODO(), podName, ns, "GET", path)
				}
				if err != nil {
					return fmt.Errorf("could not contact sidecar: %w", err)
				}

				xdsRequest := discovery.DiscoveryRequest{
					ResourceNames: []string{fmt.Sprintf("%s.%s", podName, ns)},
					TypeUrl:       pilotxds.TypeDebugConfigDump,
				}

    #   apparmor.security.beta.kubernetes.io/defaultProfileName: runtime/default
    #
    # The PSP controller would add corresponding annotations to the pod spec for each container. However, this happens before
    # the inject adds additional containers, so we must specify them explicitly here. With the above example, we could specify:
    # injectedAnnotations:
    #   container.apparmor.security.beta.kubernetes.io/istio-init: runtime/default

	s.iptablesConfigurator.DeleteHostRules()

	log.Debug("destroying host ipset")
	s.hostsideProbeIPSet.Flush()
	if err := s.hostsideProbeIPSet.DestroySet(); err != nil {
		log.Warnf("could not destroy host ipset on shutdown")
	}
	log.Debug("stopping ztunnel server")
	s.ztunnelServer.Close()
}

func (s *NetServer) rescanPod(pod *corev1.Pod) error {

		if err != nil {
			return nil, fmt.Errorf("could not serialize prevResult: %v", err)
		}
		res, err := version.NewResult(conf.CNIVersion, resultBytes)
		if err != nil {
			return nil, fmt.Errorf("could not parse prevResult: %v", err)
		}
		conf.RawPrevResult = nil
		conf.PrevResult, err = cniv1.NewResultFromResult(res)
		if err != nil {
			return nil, fmt.Errorf("could not convert result to current version: %v", err)
		}

		if err != nil {
			return fmt.Errorf("could not build metrics for workload '%s': %v", workload, err)
		}

		printMetrics(c.OutOrStdout(), sm)
	}
	return nil
}

func prometheusAPI(address string) (promv1.API, error) {
	promClient, err := api.NewClient(api.Config{Address: address})
	if err != nil {
		return nil, fmt.Errorf("could not build prometheus client: %v", err)
	}

	// This is effectively an analog for Istio's old-style podSpec-based health check rewrites.
	// Before Istio would update the pod manifest to rewrite healthchecks to go to sidecar Envoy port 15021,
	// so that it could distinguish things that can be unauthenticated (healthchecks) from other kinds of node traffic

	var err error
	for _, localPort := range portPrefs {
		var fw kube.PortForwarder
		fw, err = client.NewPortForwarder(podName, namespace, localAddress, localPort, remotePort)
		if err != nil {
			return fmt.Errorf("could not build port forwarder for %s: %v", flavor, err)
		}

		if err = fw.Start(); err != nil {
			fw.Close()
			// Try the next port
			continue
		}