MSG #421 2021-09-28 15:29:51.415
NAS

     ESM: Unknown message (type=0x72)
    Protocol discriminator = 0x7 (EPS Mobility Management)
    Security header = 0x2 (Integrity protected and ciphered)
    Auth code = 0xf5d260fd
    Sequence number = 0x05
    Protocol discriminator = 0x2 (EPS Session Management)
    Error while parsing message (message_type = 0x72)
    Remaining bytes:
      b2 4e 72 21