}
	return len(newSvc.Spec.IPFamilies) < len(oldSvc.Spec.IPFamilies)
}

// Helper to get the IP family of a given IP.
func familyOf(ip string) api.IPFamily {
	if netutils.IsIPv4String(ip) {
		return api.IPv4Protocol
	}
	if netutils.IsIPv6String(ip) {
		return api.IPv6Protocol
	}
	return api.IPFamily("unknown")

limitations under the License.
*/

package net

import (
	"bufio"
	"encoding/hex"
	"fmt"
	"io"
	"net"
	"os"

	"strings"

	"k8s.io/klog/v2"
	netutils "k8s.io/utils/net"
)

type AddressFamily uint

const (
	familyIPv4 AddressFamily = 4
	familyIPv6 AddressFamily = 6
)

type AddressFamilyPreference []AddressFamily

var (

	"github.com/pkg/errors"

	v1 "k8s.io/api/core/v1"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/runtime/schema"
	netutil "k8s.io/apimachinery/pkg/util/net"
	bootstraputil "k8s.io/cluster-bootstrap/token/util"
	nodeutil "k8s.io/component-helpers/node/util"
	"k8s.io/klog/v2"
	netutils "k8s.io/utils/net"

	bootstraptokenv1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/bootstraptoken/v1"

limitations under the License.
*/

package ipam

import (
	"context"
	"fmt"
	"net"
	"time"

	v1 "k8s.io/api/core/v1"
	"k8s.io/apimachinery/pkg/util/wait"
	"k8s.io/klog/v2"
	netutils "k8s.io/utils/net"

	apierrors "k8s.io/apimachinery/pkg/api/errors"
	"k8s.io/apimachinery/pkg/types"
	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
	informers "k8s.io/client-go/informers/core/v1"

	"time"

	"github.com/pkg/errors"

	v1 "k8s.io/api/core/v1"
	"k8s.io/apimachinery/pkg/util/version"
	apimachineryversion "k8s.io/apimachinery/pkg/version"
	componentversion "k8s.io/component-base/version"
	netutils "k8s.io/utils/net"
)

const (
	// KubernetesDir is the directory Kubernetes owns for storing various configuration files
	KubernetesDir = "/etc/kubernetes"

	kubectrlmgrconfigscheme "k8s.io/kubernetes/pkg/controller/apis/config/scheme"
	"k8s.io/kubernetes/pkg/controller/garbagecollector"
	garbagecollectorconfig "k8s.io/kubernetes/pkg/controller/garbagecollector/config"
	netutils "k8s.io/utils/net"

	// add the kubernetes feature gates
	_ "k8s.io/kubernetes/pkg/features"
)

const (
	// KubeControllerManagerUserAgent is the userAgent name when starting kube-controller managers.

	"k8s.io/kubernetes/pkg/scheduler"
	kubeschedulerconfig "k8s.io/kubernetes/pkg/scheduler/apis/config"
	"k8s.io/kubernetes/pkg/scheduler/apis/config/validation"
	netutils "k8s.io/utils/net"
)

// Options has all the params needed to run a Scheduler
type Options struct {
	// The default values.
	ComponentConfig *kubeschedulerconfig.KubeSchedulerConfiguration

	clientgotesting "k8s.io/client-go/testing"
	proxyconfigapi "k8s.io/kubernetes/pkg/proxy/apis/config"
	proxyutil "k8s.io/kubernetes/pkg/proxy/util"
	"k8s.io/kubernetes/test/utils/ktesting"
	netutils "k8s.io/utils/net"
	"k8s.io/utils/ptr"
)

func Test_platformApplyDefaults(t *testing.T) {
	testCases := []struct {
		name                string
		mode                proxyconfigapi.ProxyMode

	"k8s.io/kubernetes/pkg/controller"
	"k8s.io/kubernetes/pkg/controlplane/controller/defaultservicecidr"
	"k8s.io/kubernetes/pkg/registry/core/service/ipallocator"
	"k8s.io/kubernetes/test/utils/ktesting"
	netutils "k8s.io/utils/net"
	"k8s.io/utils/ptr"
)

type testController struct {
	*Controller
	servicecidrsStore cache.Store
	ipaddressesStore  cache.Store
}

	"k8s.io/kubernetes/pkg/features"
	netutils "k8s.io/utils/net"
)

const testHostname = "test-hostname"

func makeTestServiceInfo(clusterIP string, port int, protocol string, healthcheckNodePort int, svcInfoFuncs ...func(*BaseServicePortInfo)) *BaseServicePortInfo {
	bsvcPortInfo := &BaseServicePortInfo{
		clusterIP: netutils.ParseIPSloppy(clusterIP),
		port:      port,
		protocol:  v1.Protocol(protocol),