[  850.028002][T12964] PPP generic driver version 2.4.2
[  850.034391][T12964] NET: Registered PF_PPPOX protocol family
[  850.057080][T12964] l2tp_core: L2TP core driver, V2.0
[  850.063014][T12964] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  855.470197][T13034] ppp0: recursion detected
[  856.529830][T12997] ppp0: recursion detected