Name: "foo",
			},
			setType:         utilipset.HashIPPort,
			ipv6:            false,
			activeEntries:   []string{"172.17.0.4,tcp:80"},
			currentEntries:  nil,
			expectedEntries: []string{"172.17.0.4,tcp:80"},
		},
		{
			name: "ipset IPv6 sync with no new entries",
			set: &utilipset.IPSet{
				Name: "abz",
			},
			setType:         utilipset.HashIPPort,
			ipv6:            true,

		},
		{ // case[3]
			ipset: &IPSet{
				Name:       "bar",
				SetType:    HashIPPort,
				HashFamily: ProtocolFamilyIPV6,
				HashSize:   0,
				MaxElem:    2048,
			},
			expectErr: true,
			desc:      "wrong hash size number",
		},
		{ // case[4]
			ipset: &IPSet{
				Name:       "baz",
				SetType:    HashIPPort,
				HashFamily: ProtocolFamilyIPV6,
				HashSize:   1024,
				MaxElem:    -1,

// Type represents the ipset type
type Type string

const (
	// HashIPPort represents the `hash:ip,port` type ipset.  The hash:ip,port is similar to hash:ip but
	// you can store IP address and protocol-port pairs in it.  TCP, SCTP, UDP, UDPLITE, ICMP and ICMPv6 are supported
	// with port numbers/ICMP(v6) types and other protocol numbers without port information.
	HashIPPort Type = "hash:ip,port"

	// comment message for ipset
	Comment string
}

// Validate checks if a given ipset is valid or not.
func (set *IPSet) Validate() error {
	// Check if protocol is valid for `HashIPPort`, `HashIPPortIP` and `HashIPPortNet` type set.
	if set.SetType == HashIPPort || set.SetType == HashIPPortIP || set.SetType == HashIPPortNet {
		if err := validateHashFamily(set.HashFamily); err != nil {
			return err
		}
	}
	// check set type

	{kubeClusterIPSet, utilipset.HashIPPort, kubeClusterIPSetComment},
	{kubeExternalIPSet, utilipset.HashIPPort, kubeExternalIPSetComment},
	{kubeExternalIPLocalSet, utilipset.HashIPPort, kubeExternalIPLocalSetComment},
	{kubeLoadBalancerSet, utilipset.HashIPPort, kubeLoadBalancerSetComment},
	{kubeLoadBalancerFWSet, utilipset.HashIPPort, kubeLoadBalancerFWSetComment},

	}
	if version != testVersion {
		t.Errorf("Unexpected version mismatch, expected: %s, got: %s", testVersion, version)
	}
	// create a set
	set := &ipset.IPSet{
		Name:       "foo",
		SetType:    ipset.HashIPPort,
		HashFamily: ipset.ProtocolFamilyIPV4,
	}
	if err := fake.CreateSet(set, true); err != nil {
		t.Errorf("Unexpected error: %v", err)
	}

	// add two entries

						Port:     3001,
						Protocol: strings.ToLower(string(v1.ProtocolSCTP)),
						SetType:  utilipset.HashIPPort,
					},
					{
						IP:       "100.101.102.104",
						Port:     3001,
						Protocol: strings.ToLower(string(v1.ProtocolSCTP)),
						SetType:  utilipset.HashIPPort,
					},
					{
						IP:       "100.101.102.105",
						Port:     3001,