[  836.184260][T10692] PPP generic driver version 2.4.2
[  836.195795][T10692] NET: Registered PF_PPPOX protocol family
[  836.223172][T10692] l2tp_core: L2TP core driver, V2.0
[  836.231114][T10692] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  841.314081][T10767] ppp0: recursion detected
[  841.581320][    C2] ppp0: recursion detected
[  842.374063][T10732] ppp0: recursion detected