agent/api/container/transport.go
func (tp *TransportProtocol) String() string {
	if tp == nil {
		return tcp
	}
	switch *tp {
	case TransportProtocolUDP:
		return udp
	case TransportProtocolTCP:
		return tcp
	default:
		seelog.Critical("Unknown TransportProtocol type!")
		return tcp
	}
}
func (tp *TransportProtocol) String() string {
	if tp == nil {
		return tcp
	}
	switch *tp {
	case TransportProtocolUDP:
		return udp
	case TransportProtocolTCP:
		return tcp
	default:
		seelog.Critical("Unknown TransportProtocol type!")
		return tcp
	}
}
// String converts TransportProtocol to a string