func (bsvcPortInfo *BaseServicePortInfo) ExternalIPs() []net.IP {
	return bsvcPortInfo.externalIPs
}

// LoadBalancerVIPs is part of ServicePort interface.
func (bsvcPortInfo *BaseServicePortInfo) LoadBalancerVIPs() []net.IP {
	return bsvcPortInfo.loadBalancerVIPs
}

// ExternalPolicyLocal is part of ServicePort interface.
func (bsvcPortInfo *BaseServicePortInfo) ExternalPolicyLocal() bool {

					bsvcPortInfo.loadBalancerVIPs = makeIPs("10.1.2.4")
				}),
				makeServicePortName("ns1", "load-balancer", "port4", v1.ProtocolUDP): makeTestServiceInfo("172.16.55.11", 8676, "UDP", 0, func(bsvcPortInfo *BaseServicePortInfo) {
					bsvcPortInfo.loadBalancerVIPs = makeIPs("10.1.2.4")
				}),
			},
		},
		{

			conntrackCleanupServiceIPs.Insert(svcInfo.ClusterIP().String())
			for _, extIP := range svcInfo.ExternalIPs() {
				conntrackCleanupServiceIPs.Insert(extIP.String())
			}
			for _, lbIP := range svcInfo.LoadBalancerVIPs() {
				conntrackCleanupServiceIPs.Insert(lbIP.String())
			}
			nodePort := svcInfo.NodePort()
			if svcInfo.Protocol() == v1.ProtocolUDP && nodePort != 0 {
				conntrackCleanupServiceNodePorts.Insert(nodePort)

				for _, lbip := range svcInfo.LoadBalancerVIPs() {
					sources = append(sources, ",", lbip.String())
				}
			}
			tx.Add(&knftables.Rule{
				Chain: fwChain,
				Rule: knftables.Concat(
					ipX, "saddr", "!=", "{", sources, "}",
					"drop",
				),
			})
		}

		// Capture load-balancer ingress.
		for _, lbip := range svcInfo.LoadBalancerVIPs() {
			if hasEndpoints {

		// create a firewall chain.
		loadBalancerTrafficChain := externalTrafficChain
		fwChain := svcInfo.firewallChainName
		usesFWChain := hasEndpoints && len(svcInfo.LoadBalancerVIPs()) > 0 && len(svcInfo.LoadBalancerSourceRanges()) > 0
		if usesFWChain {
			loadBalancerTrafficChain = fwChain
		}

		var internalTrafficFilterTarget, internalTrafficFilterComment string

			} else {
				proxier.logger.Error(err, "Failed to sync service", "servicePortName", svcPortName, "virtualServer", serv)
			}
		}

		// Capture load-balancer ingress.
		for _, ingress := range svcInfo.LoadBalancerVIPs() {
			// ipset call
			entry = &utilipset.Entry{
				IP:       ingress.String(),
				Port:     svcInfo.Port(),
				Protocol: protocol,
				SetType:  utilipset.HashIPPort,
			}