Update fuzzer to reflect FeatureGates type change.

cmd/kubeadm/app/apis/kubeadm/fuzzer/fuzzer.go

@@ -77,7 +77,7 @@ func Funcs(codecs runtimeserializer.CodecFactory) []interface{} {
 			kubeletconfigv1alpha1.SetDefaults_KubeletConfiguration(obj.KubeletConfiguration.BaseConfig)
 			obj.KubeProxy = kubeadm.KubeProxy{
 				Config: &kubeproxyconfigv1alpha1.KubeProxyConfiguration{
-					FeatureGates:       "foo",
+					FeatureGates:       map[string]bool{"foo": true},
 					BindAddress:        "foo",
 					HealthzBindAddress: "foo:10256",
 					MetricsBindAddress: "foo:",

pkg/proxy/apis/kubeproxyconfig/fuzzer/fuzzer.go

@@ -34,10 +34,12 @@ func Funcs(codecs runtimeserializer.CodecFactory) []interface{} {
 		func(obj *kubeproxyconfig.KubeProxyConfiguration, c fuzz.Continue) {
 			c.FuzzNoCustom(obj)
 			obj.BindAddress = fmt.Sprintf("%d.%d.%d.%d", c.Intn(256), c.Intn(256), c.Intn(256), c.Intn(256))
+			obj.ClientConnection.ContentType = c.RandString()
 			obj.Conntrack.MaxPerCore = utilpointer.Int32Ptr(c.Int31())
 			obj.Conntrack.Min = utilpointer.Int32Ptr(c.Int31())
 			obj.Conntrack.TCPCloseWaitTimeout = &metav1.Duration{Duration: time.Duration(c.Int63()) * time.Hour}
 			obj.Conntrack.TCPEstablishedTimeout = &metav1.Duration{Duration: time.Duration(c.Int63()) * time.Hour}
+			obj.FeatureGates = map[string]bool{c.RandString(): true}
 			obj.HealthzBindAddress = fmt.Sprintf("%d.%d.%d.%d:%d", c.Intn(256), c.Intn(256), c.Intn(256), c.Intn(256), c.Intn(65536))
 			obj.IPTables.MasqueradeBit = utilpointer.Int32Ptr(c.Int31())
 			obj.MetricsBindAddress = fmt.Sprintf("%d.%d.%d.%d:%d", c.Intn(256), c.Intn(256), c.Intn(256), c.Intn(256), c.Intn(65536))