Code,Type,Reference
0x00,Reserved,[RFC8487]
0x01,Mtrace2 Query,[RFC8487]
0x02,Mtrace2 Request,[RFC8487]
0x03,Mtrace2 Reply,[RFC8487]
0x04,Mtrace2 Standard Response Block,[RFC8487]
0x05,Mtrace2 Augmented Response Block,[RFC8487]
0x06,Mtrace2 Extended Query Block,[RFC8487]
0x07-0xFF,Unassigned,