log.Debug("notifying subscribed node proxies")
	if err := s.sendPodToZtunnelAndWaitForAck(ctx, pod, openNetns); err != nil {
		// we must return PartialAdd error here. the pod was injected with iptables rules,
		// so it should be annotated, so if it is removed from the mesh, the rules will be removed.
		// alternatively, we may not return an error at all, but we want this to fail on tests.
		return NewErrPartialAdd(err)
	}
	return nil
}

// Note that if the ipset already exist by name, Create will not return an error.
//
// We will unconditionally flush our set before use here, so it shouldn't matter.
func createHostsideProbeIpset(isV6 bool) (ipset.IPSet, error) {
	linDeps := ipset.RealNlDeps()
	probeSet, err := ipset.NewIPSet(iptables.ProbeIPSet, isV6, linDeps)
	if err != nil {

	// so that it could distinguish things that can be unauthenticated (healthchecks) from other kinds of node traffic
	// (e.g. LoadBalanced Service packets, etc) that need to be authenticated/captured/proxied.
	//
	// We want to do the same thing in ambient but can't rely on podSpec injection. So, do effectively the same thing,

		ObjectMeta: metav1.ObjectMeta{
			Name:      "foo",
			Namespace: "bar",
			UID:       "123",
		},
		Spec: corev1.PodSpec{ServiceAccountName: "sa"},
	}

	// this is usually called after add. so manually add the pod uid for now
	fakens := newFakeNs(123)
	closed := fakens.closed
	workload := WorkloadInfo{
		Workload: podToWorkload(pod),
		Netns:    fakens,
	}

	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` -

	ipToInsert := ip.Unmap()

	// We have already Unmap'd, so we can do a simple IsV6 y/n check now
	if ipToInsert.Is6() {
		return m.Deps.addIP(m.V6Name, ipToInsert, ipProto, comment, replace)
	}
	return m.Deps.addIP(m.V4Name, ipToInsert, ipProto, comment, replace)
}

func (m *IPSet) DeleteIP(ip netip.Addr, ipProto uint8) error {
	ipToDel := ip.Unmap()

	// We have already Unmap'd, so we can do a simple IsV6 y/n check now
	if ipToDel.Is6() {

			// If they don't, the user will be warned and be presented with the command to label their namespace as ambient if they
			// choose to do so.
			//
			// NOTE: This is a warning and not an error because the user may not intend to label their namespace as ambient.
			//
			// e.g. Users are handling ambient redirection per workload rather than at the namespace level.

		Patch(
			context.Background(),
			pod.Name,
			types.MergePatchType,
			annotationPatch,
			metav1.PatchOptions{},
			// Both "pods" and "pods/status" can mutate the metadata. However, pods/status is lower privilege, so we use that instead.
			"status",
		)
	return err
}

func AnnotateUnenrollPod(client kubernetes.Interface, pod *metav1.ObjectMeta) error {

	// APIPA/"link-local" IP.
	//
	// It doesn't matter what this IP is, so long as it's not routable and doesn't collide with anything else.
	//
	// IPv6 link local ranges are designed to be collision-resistant by default, and so probably never need to be overridden
	DefaultHostProbeSNATIP   = "169.254.7.127"
	DefaultHostProbeSNATIPV6 = "fd16:9254:7127:1337:ffff:ffff:ffff:ffff"
)

	dpServer := &meshDataplane{
		kubeClient: client.Kube(),
		netServer:  fs,
	}

	handlers := setupHandlers(ctx, client, dpServer, "istio-system")

	// We are not going to start the server, so the sockpath is irrelevant
	pluginServer := startCniPluginServer(ctx, "/tmp/test.sock", handlers, dpServer)

	// label the namespace
	labelsPatch := []byte(fmt.Sprintf(`{"metadata":{"labels":{"%s":"%s"}}}`,