config: &proxyconfigapi.KubeProxyConfiguration{
				DetectLocalMode: proxyconfigapi.LocalModeClusterCIDR,
				ClusterCIDR:     "10.0.0.0/14",
			},
			primaryIPFamily: v1.IPv6Protocol,
			// This will output a warning that there is no IPv6 CIDR but it
			// will still use the provided IPv4 CIDR for IPv4.
			expected: map[v1.IPFamily]proxyutil.LocalTrafficDetector{

  echo "    --pod-subnet       - the pod subnet to specify. Default is 10.244.0.0/16 for IPv4 and fd00:10:244::/56 for IPv6"
  echo "    --service-subnet   - the service subnet to specify. Default is 10.96.0.0/16 for IPv4 and fd00:10:96::/112 for IPv6"
  echo "    -i|--ip-family     - ip family to be supported, default is ipv4 only. Value should be ipv4, ipv6, or dual"

    val request = Request(server1.url("/"))

    server1.enqueue(refusedStream)
    server2.enqueue(bodyResponse)

    dns[server1.hostName] = listOf(ipv6, ipv4)
    socketFactory[ipv6] = server1.inetSocketAddress
    socketFactory[ipv4] = server2.inetSocketAddress

    client =
      client.newBuilder()
        .fastFallback(false)
        .apply {
          retryOnConnectionFailure = false
        }

			want: true,
		},
		{
			name:        "all zeros ipv4",
			cidrStrings: []string{"224.0.0.0/24", "192.168.0.0/16", "fd00:1:d::/64", "0.0.0.0/0"},
			want:        true,
		},
		{
			name:        "all zeros ipv6",
			cidrStrings: []string{"224.0.0.0/24", "192.168.0.0/16", "fd00:1:d::/64", "::/0"},
			want:        false,
		},
		{
			name:        "ipv4 loopback",

		ip       string
		expected bool
	}{
		{"invalid missing address", "", false},
		{"invalid missing decimal points in IPv4 address", "1234", false},
		{"invalid incomplete IPv4 address", "1.2", false},
		{"invalid IPv4 CIDR provided instead of IPv4 address", "1.2.3.4/16", false},
		{"valid IPv4 address", "1.2.3.4", true},
		{"valid IPv6 address", "2001:db8::1", true},

// following:
//	golang.org/x/net/ipv4
//	golang.org/x/net/ipv6
//	golang.org/x/net/icmp

type resolveIPAddrTest struct {
	network       string
	litAddrOrName string
	addr          *IPAddr
	err           error
}

var resolveIPAddrTests = []resolveIPAddrTest{
	{"ip", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
	{"ip4", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},

// Is6 reports whether ip is an IPv6 address, including IPv4-mapped
// IPv6 addresses.
func (ip Addr) Is6() bool {
	return ip.z != z0 && ip.z != z4
}

// Unmap returns ip with any IPv4-mapped IPv6 address prefix removed.
//
// That is, if ip is an IPv6 address wrapping an IPv4 address, it
// returns the wrapped IPv4 address. Otherwise it returns ip unmodified.
func (ip Addr) Unmap() Addr {
	if ip.Is4In6() {
		ip.z = z4
	}

	litAddrOrName string
	addr          *IPAddr
	err           error
}

var resolveIPAddrTests = []resolveIPAddrTest{
	{"ip", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
	{"ip4", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
	{"ip4:icmp", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
}

func setupTestData() {
	resolveIPAddrTests = append(resolveIPAddrTests,

			Value: "1",
		},
		{
			Name:  "net.ipv4.conf.eno2/100.rp_filter",
			Value: "1",
		},
		{
			Name:  "net/ipv4/ip_local_port_range",
			Value: "1024 65535",
		},
	}
	exceptSysctls := []v1.Sysctl{
		{
			Name:  "kernel.msgmax",
			Value: "8192",
		},
		{
			Name:  "kernel.shm_rmid_forced",
			Value: "1",
		},
		{
			Name:  "net.ipv4.conf.eno2/100.rp_filter",
			Value: "1",
		},
		{

  // and host bits. For example an IPv4 address of 192.168.0.0/24, splits the
  // address into 24 bits for the network portion and 8 bits for the host portion.
  // To allocate 256 IPs, set this field to 8 (a /24 mask for IPv4 or a /120 for IPv6).
  // Minimum value is 4 (16 IPs).
  // This field is immutable.
  // +required
  optional int32 perNodeHostBits = 2;

  // ipv4 defines an IPv4 IP block in CIDR notation(e.g. "10.0.0.0/8").