Bit Number,Name,Reference
7,N: Treat as a Non-IP Packet,[RFC8029]
6,I: Interface and Label Stack Object Request,[RFC8029]
5,E: ELI/EL push indicator,[RFC8012]
4,L: Label-based load balance indicator,[RFC8012]
3,G: LAG Description Indicator,[RFC8611]
2-0,Unassigned,