[  846.921514][T12989] PPP generic driver version 2.4.2
[  846.928112][T12989] NET: Registered PF_PPPOX protocol family
[  846.953585][T12989] l2tp_core: L2TP core driver, V2.0
[  846.959416][T12989] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  852.244467][T13068] ppp0: recursion detected
[  853.311151][T13023] ppp0: recursion detected