u8 *format_transport_half_open_connection (u8 * s, va_list * args);
uword unformat_transport_proto (unformat_input_t * input, va_list * args);
u8 *format_transport_half_open_connection (u8 * s, va_list * args);
uword unformat_transport_proto (unformat_input_t * input, va_list * args);