_, clusterCIDRv4, _ := netutils.ParseCIDRSloppy("127.123.234.0/8")
					_, clusterCIDRv6, _ := netutils.ParseCIDRSloppy("ace:cab:deca::/84")
					_, clusterCIDRv4_2, _ := netutils.ParseCIDRSloppy("10.0.0.0/8")
					return []*net.IPNet{clusterCIDRv4, clusterCIDRv6, clusterCIDRv4_2}
				}(),
				ServiceCIDR: func() *net.IPNet {
					_, serviceCIDR, _ := netutils.ParseCIDRSloppy("127.123.234.0/26")
					return serviceCIDR

					addrs: []net.Addr{
						&net.IPNet{IP: netutils.ParseIPSloppy("1.2.3.4"), Mask: net.CIDRMask(30, 32)},
						&net.IPNet{IP: netutils.ParseIPSloppy("2001:db8::1"), Mask: net.CIDRMask(64, 128)},
					},
				},
				{
					itf: net.Interface{Index: 1, MTU: 0, Name: "lo", HardwareAddr: nil, Flags: 0},
					addrs: []net.Addr{
						&net.IPNet{IP: netutils.ParseIPSloppy("127.0.0.1"), Mask: net.CIDRMask(8, 32)},

	_, ipv4cidr, err := netutils.ParseCIDRSloppy("192.168.0.0/24")
	if err != nil {
		t.Fatalf("Unexpected error %v", err)
	}

	_, ipv6cidr, err := netutils.ParseCIDRSloppy("2001:db8::/112")
	if err != nil {
		t.Fatalf("Unexpected error %v", err)
	}

	ipv4address := netutils.ParseIPSloppy("192.168.1.1")
	ipv6address := netutils.ParseIPSloppy("2001:db8::1")

	tests := []struct {

	address, _ := netip.AddrFromSlice(bytes)
	return address
}

// Convert netutils.IPFamily to v1.IPFamily
// TODO: consolidate helpers
// copied from pkg/proxy/util/utils.go
func convertToV1IPFamily(ipFamily netutils.IPFamily) v1.IPFamily {
	switch ipFamily {
	case netutils.IPv4:
		return v1.IPv4Protocol
	case netutils.IPv6:
		return v1.IPv6Protocol
	}

	return v1.IPFamilyUnknown

			rawNodeIPs: []net.IP{
				netutils.ParseIPSloppy("90.90.90.90"),
				netutils.ParseIPSloppy("2001:db8::2"),
			},
			bindAddress:    "::",
			expectedFamily: v1.IPv4Protocol,
			expectedIPv4:   "90.90.90.90",
			expectedIPv6:   "2001:db8::2",
		},
		{
			name: "Dual stack, primary IPv6",
			rawNodeIPs: []net.IP{
				netutils.ParseIPSloppy("2001:db8::2"),

	"k8s.io/apimachinery/pkg/types"
	"k8s.io/apimachinery/pkg/util/intstr"
	"k8s.io/kubernetes/pkg/proxy"
	"k8s.io/kubernetes/pkg/proxy/healthcheck"
	fakehcn "k8s.io/kubernetes/pkg/proxy/winkernel/testing"
	netutils "k8s.io/utils/net"
	"k8s.io/utils/ptr"
)

const (
	testHostName      = "test-hostname"
	testNetwork       = "TestNetwork"
	ipAddress         = "10.0.0.1"
	prefixLen         = 24

			continue
		}

		switch address.Type {
		case v1.NodeHostName:
			if ip := netutils.ParseIPSloppy(address.Address); ip != nil {
				seenIPs[address.Address] = true
			} else {
				seenDNSNames[address.Address] = true
			}
		case v1.NodeExternalIP, v1.NodeInternalIP:
			if ip := netutils.ParseIPSloppy(address.Address); ip != nil {
				seenIPs[address.Address] = true
			}

	endpointSlices := make([]*discovery.EndpointSlice, nServices)

	// base parameters
	basePort := 80
	base := netutils.BigForIP(netutils.ParseIPSloppy("10.0.0.1"))

	// generate a base endpoint slice object
	baseEp := netutils.BigForIP(netutils.ParseIPSloppy("172.16.0.1"))
	epPort := 8080

	eps := &discovery.EndpointSlice{
		ObjectMeta: metav1.ObjectMeta{
			Name:      "ep",

		case len(cidrs) == 2:
			isDual, err := netutils.IsDualStackCIDRStrings(cidrs)
			if err != nil || !isDual {
				allErrs = append(allErrs, field.Invalid(newPath.Child("ClusterCIDR"), config.ClusterCIDR, "must be a valid DualStack CIDR (e.g. 10.100.0.0/16,fde4:8dba:82e1::/48)"))
			}
		// if we are here means that len(cidrs) == 1, we need to validate it
		default:
			if _, _, err := netutils.ParseCIDRSloppy(config.ClusterCIDR); err != nil {

		if !IPV4Check && netutils.IsIPv4CIDRString(cidr) {
			IPV4Check = true
		}
		if !IPV6Check && netutils.IsIPv6CIDRString(cidr) {
			IPV6Check = true
		}

	}
	cidrs = strings.Split(cfg.Networking.PodSubnet, ",")
	for _, cidr := range cidrs {
		checks = append(checks, HTTPProxyCIDRCheck{Proto: "https", CIDR: cidr})
		if !IPV4Check && netutils.IsIPv4CIDRString(cidr) {
			IPV4Check = true
		}