if !addr.Equal(expected) {
		t.Errorf("Unexpected mismatch, expected: %v, got: %v", expected, addr)
	}
	fake.SetLocalAddresses("lo", "127.0.0.1")
	expected = nil
	addr, _ = fake.GetLocalAddresses("lo")
	if !addr.Equal(expected) {
		t.Errorf("Unexpected mismatch, expected: %v, got: %v", expected, addr)
	}
	fake.SetLocalAddresses("kube-ipvs0", "1.2.3.4", "4.3.2.1")
	addr, _ = fake.GetAllLocalAddresses()
	expected = sets.New("1.2.3.4", "4.3.2.1")

			if h.isValidForSet(addr) {
				res.Insert(addr)
			}
		}
	}
	return res, nil
}

// SetLocalAddresses set IP addresses to the given interface device.  It's not part of interface.
func (h *FakeNetlinkHandle) SetLocalAddresses(dev string, ips ...string) error {
	if h.localAddresses == nil {
		h.localAddresses = make(map[string][]string)
	}
	if len(dev) == 0 {