[  895.676102][T12991] PPP generic driver version 2.4.2
[  895.683802][T12991] NET: Registered PF_PPPOX protocol family
[  895.711348][T12991] l2tp_core: L2TP core driver, V2.0
[  895.723352][T12991] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  901.344218][T13064] ppp0: recursion detected
[  902.400983][T13024] ppp0: recursion detected