[  944.181575][T13071] PPP generic driver version 2.4.2
[  944.187655][T13071] NET: Registered PF_PPPOX protocol family
[  944.203506][T13071] l2tp_core: L2TP core driver, V2.0
[  944.210179][T13071] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  949.704866][T13157] ppp0: recursion detected
[  950.771968][T13110] ppp0: recursion detected