Bit,Description,Reference
0-26,Unassigned,
27,Stateless Operation (L-Flag),[RFC-ietf-pce-segment-routing-policy-cp-27]
28,Unassigned,
29,Invalidation (I-Flag),[RFC-ietf-pce-segment-routing-policy-cp-27]
30,Explicit NULL Label Policy (E-Flag),[RFC-ietf-pce-segment-routing-policy-cp-27]
31,Computation Priority (P-flag),[RFC-ietf-pce-segment-routing-policy-cp-27]