} else if remainingAddrs[0] != "172.16.55.4" {
		t.Errorf("Expected remaining address should be %s, got %s", "172.16.55.4", remainingAddrs[0])
	}

	// delete multi-port service3
	fp.OnServiceDelete(service3)
	fp.syncProxyRules()
	remainingAddrs, _ = fp.netlinkHandle.ListBindAddress(defaultDummyDevice)
	// all addresses should be unbound
	if len(remainingAddrs) != 0 {