if routes == nil || routes.Namespaces == nil || routes.Namespaces.Selector == nil {
		return nil
	}
	res := []string{}
	for k := range routes.Namespaces.Selector.MatchLabels {
		res = append(res, k)
	}
	for _, me := range routes.Namespaces.Selector.MatchExpressions {
		if me.Operator == metav1.LabelSelectorOpNotIn || me.Operator == metav1.LabelSelectorOpDoesNotExist {

					Mode: tpb.WorkloadMode_CLIENT,
				},
				Providers: []*tpb.ProviderRef{
					{
						Name: "envoy",
					},
				},
			},
		},
	}
	sidecarClient := &tpb.Telemetry{
		Selector: &v1beta1.WorkloadSelector{
			MatchLabels: labels,
		},
		AccessLogging: []*tpb.AccessLogging{
			{
				Match: &tpb.AccessLogging_LogSelector{
					Mode: tpb.WorkloadMode_CLIENT,
				},

			numListenersOnServicePort: 1,
		},
		{
			name:                      "external service with selector",
			instances:                 []*model.ServiceInstance{},
			services:                  []*model.Service{extSvcSelector},
			numListenersOnServicePort: 0,
		},
		{
			name: "external service with selector and endpoints",
			instances: []*model.ServiceInstance{
				buildServiceInstance(extSvcSelector, "10.10.10.10"),

	}
	runSimulationTest(t, nil, xds.FakeOptions{}, simulationTest{
		kubeConfig: `apiVersion: v1
kind: Service
metadata:
  name: headless
  namespace: default
spec:
  clusterIP: None
  selector:
    app: headless
  ports:` + ports + `
---
apiVersion: discovery.k8s.io/v1
kind: EndpointSlice
metadata:
  name: headless
  namespace: default
  labels: