{
						ObjectMeta: metav1.ObjectMeta{
							Name: "node0",
						},
					},
				},
				Clientset: fake.NewSimpleClientset(),
			},
			allocatorParams: CIDRAllocatorParams{
				ClusterCIDRs: func() []*net.IPNet {
					_, clusterCIDRv4, _ := netutils.ParseCIDRSloppy("10.10.0.0/16")
					return []*net.IPNet{clusterCIDRv4}
				}(),
				ServiceCIDR:          nil,
				SecondaryServiceCIDR: nil,

	// failure: bad cidrs in config
	clusterCIDRs, dualStack, err := processCIDRs(cidrsList)
	if err != nil {
		return nil, err
	}

	// failure: more than one cidr but they are not configured as dual stack
	if len(clusterCIDRs) > 1 && !dualStack {
		return nil, fmt.Errorf("len of ClusterCIDRs==%v and they are not configured as dual stack (at least one from each IPFamily", len(clusterCIDRs))
	}

	cidrSets := make([]*cidrset.CidrSet, len(allocatorParams.ClusterCIDRs))
	for idx, cidr := range allocatorParams.ClusterCIDRs {
		cidrSet, err := cidrset.NewCIDRSet(cidr, allocatorParams.NodeCIDRMaskSizes[idx])
		if err != nil {
			return nil, err
		}
		cidrSets[idx] = cidrSet
	}

	ra := &rangeAllocator{
		client:       client,
		clusterCIDRs: allocatorParams.ClusterCIDRs,
		cidrSets:     cidrSets,

	} else {
		clusterType = fmt.Sprintf("%s-only", s.PrimaryIPFamily)
	}

	if s.Config.ClusterCIDR != "" {
		clusterCIDRs := strings.Split(s.Config.ClusterCIDR, ",")
		if badCIDRs(clusterCIDRs, badFamily) {
			errors = append(errors, fmt.Errorf("cluster is %s but clusterCIDRs contains only IPv%s addresses", clusterType, badFamily))
			if s.Config.DetectLocalMode == kubeproxyconfig.LocalModeClusterCIDR && !dualStackSupported {

		v1.IPv6Protocol: proxyutil.NewNoOpLocalDetector(),
	}

	switch config.DetectLocalMode {
	case proxyconfigapi.LocalModeClusterCIDR:
		clusterCIDRs := strings.Split(strings.TrimSpace(config.ClusterCIDR), ",")
		for family, cidrs := range proxyutil.MapCIDRsByIPFamily(clusterCIDRs) {
			localDetectors[family] = proxyutil.NewDetectLocalByCIDR(cidrs[0].String())
		}
		if !localDetectors[primaryIPFamily].IsImplemented() {

			},
			expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ClusterCIDR"), "192.168.59.0", "must be a valid CIDR block (e.g. 10.100.0.0/16 or fde4:8dba:82e1::/48)")},
		},
		"Invalid number of ClusterCIDRs": {
			mutateConfigFunc: func(config *kubeproxyconfig.KubeProxyConfiguration) {
				config.ClusterCIDR = "192.168.59.0/24,fd00:192:168::/64,10.0.0.0/16"
			},