// mergeService only merges two clusters' k8s services
func mergeService(dst, src *model.Service, srcRegistry serviceregistry.Instance) {
	if !src.Ports.Equals(dst.Ports) {
		log.Debugf("service %s defined from cluster %s is different from others", src.Hostname, srcRegistry.Cluster())
	}
	// Prefer the k8s HostVIPs where possible
	clusterID := srcRegistry.Cluster()
	if len(dst.ClusterVIPs.GetAddressesFor(clusterID)) == 0 {