{
			Name:     "http",
			Port:     80,
			Protocol: protocol.HTTP,
		},
	}
	svc := &model.Service{
		Ports:    ports,
		Hostname: host.Name("test1"),
	}
	s.MemRegistry.AddService(svc)
	if _, err := ads.Wait(time.Second*10, watchAll...); err != nil {
		t.Fatal(err)
	}
	i := &model.ServiceInstance{
		Service:     svc,
		ServicePort: svc.Ports[0],
		Endpoint: &model.IstioEndpoint{

- Fixes a bug at kube-apiserver start where APIService objects for custom resources could be deleted and recreated. ([#118104](https://github.com/kubernetes/kubernetes/pull/118104), [@liggitt](https://github.com/liggitt)) [SIG API Machinery and Testing]

	sd.AddService(&model.Service{
		Hostname:       host.Name(name),
		DefaultAddress: vip,
		Ports: model.PortList{
			{
				Name:     "http-main",
				Port:     port,
				Protocol: protocol.HTTP,
			},
		},
	})
}

// AddService adds an in-memory service and notifies
func (sd *ServiceDiscovery) AddService(svc *model.Service) {
	sd.mutex.Lock()

			hostname := host.Name(name)
			configsUpdated.Insert(model.ConfigKey{
				Kind:      kind.ServiceEntry,
				Name:      string(hostname),
				Namespace: ns,
			})

			s.MemRegistry.AddService(&model.Service{
				Hostname:       hostname,
				DefaultAddress: "10.11.0.1",
				Ports: []*model.Port{
					{
						Name:     "http-main",
						Port:     2080,
						Protocol: protocol.HTTP,
					},

[alpha] Support ipvs mode for kube-proxy([#46580](https://github.com/kubernetes/kubernetes/pull/46580), [@haibinxie](https://github.com/haibinxie))

### API Machinery

#### kube-apiserver
* Fixed an issue with `APIService` auto-registration. This issue affected rolling restarts of HA API servers that added or removed API groups being served.([#51921](https://github.com/kubernetes/kubernetes/pull/51921))

				if err != nil {
					t.Fatal(err)
				}
				_ = s.Send(&discovery.DiscoveryRequest{})
			})
		}
	})
}

func addIstiod(sd *memory.ServiceDiscovery, xdsPort int) {
	sd.AddService(&model.Service{
		Attributes: model.ServiceAttributes{
			Name:      "istiod",
			Namespace: "istio-system",
		},
		Hostname:       host.Name(testSvcHost),
		DefaultAddress: "127.0.1.12",

		},
	}
}

func makeServiceMap(fake *FakeProxier, allServices ...*v1.Service) {
	for i := range allServices {
		fake.addService(allServices[i])
	}
}

func (proxier *FakeProxier) addService(service *v1.Service) {
	proxier.serviceChanges.Update(nil, service)
}

func (proxier *FakeProxier) updateService(oldService *v1.Service, service *v1.Service) {

			s.addWaypoint(t, "10.0.0.10", "test-wp", c.trafficType, true)
			s.addPods(t, "127.0.0.1", "pod1", "sa1",
				map[string]string{"app": "a"}, nil, true, corev1.PodRunning)
			s.assertEvent(t, s.podXdsName("pod1"))
			s.addService(t, "svc1",
				map[string]string{},
				map[string]string{},
				[]int32{80}, map[string]string{"app": "a"}, "10.0.0.1")
			s.assertEvent(t, s.svcXdsName("svc1"), s.podXdsName("pod1"))

### Bug or Regression

- Fixes a bug at kube-apiserver start where APIService objects for custom resources could be deleted and recreated. ([#118104](https://github.com/kubernetes/kubernetes/pull/118104), [@liggitt](https://github.com/liggitt)) [SIG API Machinery and Testing]

// by this controller if an associated CRD is deleted.
func OverlappingBuiltInResources() map[schema.GroupResource]bool {
	return map[schema.GroupResource]bool{
		{Group: "apiregistration.k8s.io", Resource: "apiservices"}:             true,
		{Group: "apiextensions.k8s.io", Resource: "customresourcedefinitions"}: true,
	}
}

// CRDFinalizer is a controller that finalizes the CRD by deleting all the CRs associated with it.