[  844.451227][T12983] PPP generic driver version 2.4.2
[  844.465650][T12983] NET: Registered PF_PPPOX protocol family
[  844.484765][T12983] l2tp_core: L2TP core driver, V2.0
[  844.491190][T12983] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  850.054363][T13061] ppp0: recursion detected
[  851.111512][T13016] ppp0: recursion detected