[  850.467307][T12981] PPP generic driver version 2.4.2
[  850.473266][T12981] NET: Registered PF_PPPOX protocol family
[  850.489516][T12981] l2tp_core: L2TP core driver, V2.0
[  850.498042][T12981] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  855.793664][T13060] ppp0: recursion detected
[  856.859064][T13020] ppp0: recursion detected