if len(listeners) != len(tc.expectedListener) {
				t.Logf("listeners: %v", listeners[0].GetAddress().GetSocketAddress().GetPortValue())
				t.Fatalf("expected %d listeners, found %d", len(tc.expectedListener), len(listeners))
			}
			for _, port := range tc.expectedListener {
				l := findListenerByPort(listeners, uint32(port))
				if l == nil {