bindAddress        string
		clusterCIDR        string
		healthzBindAddress string
		metricsBindAddress string
		extraConfig        string
	}{
		{
			name:               "iptables mode, IPv4 all-zeros bind address",
			mode:               "iptables",
			bindAddress:        "0.0.0.0",
			clusterCIDR:        "1.2.3.0/24",
			healthzBindAddress: "1.2.3.4:12345",
			metricsBindAddress: "2.3.4.5:23456",
		},
		{

							Enabled: ptr.To(kubeletAuthenticationWebhookEnabled),
						},
					},
					Authorization: kubeletconfig.KubeletAuthorization{
						Mode: kubeletconfig.KubeletAuthorizationModeWebhook,
					},
					HealthzBindAddress: kubeletHealthzBindAddress,
					HealthzPort:        ptr.To[int32](constants.KubeletHealthzPort),
					RotateCertificates: kubeletRotateCertificates,
					CgroupDriver:       constants.CgroupDriverSystemd,
				},
			},

					}
				}
			},
		},
		"empty HealthzBindAddress": {
			mutateConfigFunc: func(config *kubeproxyconfig.KubeProxyConfiguration) {
				config.HealthzBindAddress = ""
			},
		},
		"IPv6": {
			mutateConfigFunc: func(config *kubeproxyconfig.KubeProxyConfiguration) {
				config.BindAddress = "fd00:192:168:59::103"
				config.HealthzBindAddress = ""
				config.MetricsBindAddress = "[::1]:10249"

	// Serve a /healthz webserver on 127.0.0.1:10248 that kubeadm can talk to
	if kc.config.HealthzBindAddress == "" {
		kc.config.HealthzBindAddress = kubeletHealthzBindAddress
	} else if kc.config.HealthzBindAddress != kubeletHealthzBindAddress {
		warnDefaultComponentConfigValue(kind, "healthzBindAddress", kubeletHealthzBindAddress, kc.config.HealthzBindAddress)
	}

	if kc.config.HealthzPort == nil {

			s.Recorder,
			s.HealthzServer,
			config.HealthzBindAddress,
			config.Winkernel,
		)
	} else {
		proxier, err = winkernel.NewProxier(
			s.PrimaryIPFamily,
			config.IPTables.SyncPeriod.Duration,
			config.IPTables.MinSyncPeriod.Duration,
			s.Hostname,
			s.NodeIPs[s.PrimaryIPFamily],
			s.Recorder,
			s.HealthzServer,
			config.HealthzBindAddress,
			config.Winkernel,
		)
	}

enableSystemLogQuery: false
enforceNodeAllocatable:
- pods
eventBurst: 100
eventRecordQPS: 50
evictionPressureTransitionPeriod: 5m0s
failSwapOn: true
fileCheckFrequency: 20s
hairpinMode: promiscuous-bridge
healthzBindAddress: 127.0.0.1
healthzPort: 10248
httpCheckFrequency: 20s
imageGCHighThresholdPercent: 85
imageGCLowThresholdPercent: 80
imageMaximumGCAge: 0s
imageMinimumGCAge: 2m0s
iptablesDropBit: 15

enableSystemLogQuery: false
enforceNodeAllocatable:
- pods
eventBurst: 10
eventRecordQPS: 5
evictionPressureTransitionPeriod: 5m0s
failSwapOn: true
fileCheckFrequency: 20s
hairpinMode: promiscuous-bridge
healthzBindAddress: 127.0.0.1
healthzPort: 10248
httpCheckFrequency: 20s
imageGCHighThresholdPercent: 85
imageGCLowThresholdPercent: 80
imageMaximumGCAge: 0s
imageMinimumGCAge: 2m0s
iptablesDropBit: 15

				EventBurst:                                100,
				EnableDebuggingHandlers:                   utilpointer.Bool(true),
				HealthzPort:                               utilpointer.Int32(10248),
				HealthzBindAddress:                        "127.0.0.1",
				OOMScoreAdj:                               utilpointer.Int32(int32(qos.KubeletOOMScoreAdj)),
				StreamingConnectionIdleTimeout:            metav1.Duration{Duration: 4 * time.Hour},

	}
	if obj.EnableDebuggingHandlers == nil {
		obj.EnableDebuggingHandlers = utilpointer.Bool(true)
	}
	if obj.HealthzPort == nil {
		obj.HealthzPort = utilpointer.Int32(10248)
	}
	if obj.HealthzBindAddress == "" {
		obj.HealthzBindAddress = "127.0.0.1"
	}
	if obj.OOMScoreAdj == nil {
		obj.OOMScoreAdj = utilpointer.Int32(int32(qos.KubeletOOMScoreAdj))
	}
	if obj.StreamingConnectionIdleTimeout == zeroDuration {

		allErrs = append(allErrs, field.Invalid(newPath.Child("BindAddress"), config.BindAddress, "not a valid textual representation of an IP address"))
	}

	if config.HealthzBindAddress != "" {
		allErrs = append(allErrs, validateHostPort(config.HealthzBindAddress, newPath.Child("HealthzBindAddress"))...)
	}
	allErrs = append(allErrs, validateHostPort(config.MetricsBindAddress, newPath.Child("MetricsBindAddress"))...)

	if config.ClusterCIDR != "" {