code: func NewInsecureServingOptions() *genericoptions.DeprecatedInsecureServingOptionsWithLoopback {
  	o := genericoptions.DeprecatedInsecureServingOptions{
  		BindAddress: net.ParseIP("127.0.0.1"),
  		BindPort:    8080,
  	}
  	return o.WithLoopback()
  }
docs: // NewInsecureServingOptions gives default values for the kube-apiserver.
  // TODO: switch insecure serving off by default