func TestCleanLegacyService(t *testing.T) {
	_, ctx := ktesting.NewTestContext(t)
	ipt := iptablestest.NewFake()
	ipvs := ipvstest.NewFake()
	ipset := ipsettest.NewFake(testIPSetVersion)
	excludeCIDRs, _ := netutils.ParseCIDRs([]string{"3.3.3.0/24", "4.4.4.0/24"})
	fp := NewFakeProxier(ctx, ipt, ipvs, ipset, nil, excludeCIDRs, v1.IPv4Protocol)

	// All ipvs services that were processed in the latest sync loop.