instances: []*model.ServiceInstance{
				// This instance is the proxy itself, will not gen a outbound listener for it.
				buildServiceInstance(services[0], "1.1.1.1"),
				buildServiceInstance(services[0], "10.10.10.10"),
				buildServiceInstance(services[0], "11.11.11.11"),
				buildServiceInstance(services[0], "12.11.11.11"),
			},
			services:                  []*model.Service{svc},
			numListenersOnServicePort: 3,
		},