func ValidatePortName(name string) error {
	if !labels.IsDNS1123Label(name) {
		return fmt.Errorf("invalid port name: %s", name)
	}
	return nil
}

// ValidateProtocol validates a portocol name is known
func ValidateProtocol(protocolStr string) error {
	// Empty string is used for protocol sniffing.
	if protocolStr != "" && protocol.Parse(protocolStr) == protocol.Unsupported {