[  905.213694][T13085] PPP generic driver version 2.4.2
[  905.219618][T13085] NET: Registered PF_PPPOX protocol family
[  905.235952][T13085] l2tp_core: L2TP core driver, V2.0
[  905.241932][T13085] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  910.539748][T13162] ppp0: recursion detected
[  911.596131][T13124] ppp0: recursion detected