}
	}
}

func Test_syncService(t *testing.T) {
	testCases := []struct {
		oldVirtualServer  *utilipvs.VirtualServer
		svcName           string
		newVirtualServer  *utilipvs.VirtualServer
		bindAddr          bool
		alreadyBoundAddrs sets.Set[string]
	}{
		{
			// case 0, old virtual server is same as new virtual server
			oldVirtualServer: &utilipvs.VirtualServer{

		l = roundup(l)
	}
	if len(b) < l {
		return 0, nil, errInvalidAddr
	}
	// Don't reorder case expressions.
	// The case expressions for IPv6 must come first.
	const (
		off4 = 4 // offset of in_addr
		off6 = 8 // offset of in6_addr
	)
	switch {
	case b[0] == sizeofSockaddrInet6:
		a := &Inet6Addr{}
		copy(a.IP[:], b[off6:off6+16])
		return int(b[0]), a, nil
	case af == syscall.AF_INET6:

		}
		// Set the source hash flag needed for the distribution method "mh"
		if proxier.ipvsScheduler == "mh" {
			serv.Flags |= utilipvs.FlagSourceHash
		}
		// We need to bind ClusterIP to dummy interface, so set `bindAddr` parameter to `true` in syncService()
		if err := proxier.syncService(svcPortNameString, serv, true, alreadyBoundAddrs); err == nil {
			activeIPVSServices.Insert(serv.String())
			activeBindAddrs.Insert(serv.Address.String())

type Linger struct {
	Onoff  int32
	Linger int32
}

type sysLinger struct {
	Onoff  uint16
	Linger uint16
}

type IPMreq struct {
	Multiaddr [4]byte /* in_addr */
	Interface [4]byte /* in_addr */
}

type IPv6Mreq struct {
	Multiaddr [16]byte /* in6_addr */
	Interface uint32
}

func GetsockoptInt(fd Handle, level, opt int) (int, error) {
	optval := int32(0)

type Linger struct {
	Onoff  int32
	Linger int32
}

type sysLinger struct {
	Onoff  uint16
	Linger uint16
}

type IPMreq struct {
	Multiaddr [4]byte /* in_addr */
	Interface [4]byte /* in_addr */
}

type IPv6Mreq struct {
	Multiaddr [16]byte /* in6_addr */
	Interface uint32
}

func GetsockoptInt(fd Handle, level, opt int) (int, error) {
	v := int32(0)