[  871.586062][T12965] PPP generic driver version 2.4.2
[  871.593229][T12965] NET: Registered PF_PPPOX protocol family
[  871.617996][T12965] l2tp_core: L2TP core driver, V2.0
[  871.624860][T12965] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  876.863199][T13042] ppp0: recursion detected
[  877.954399][T13003] ppp0: recursion detected