[  866.849449][T12991] PPP generic driver version 2.4.2
[  866.860432][T12991] NET: Registered PF_PPPOX protocol family
[  866.888465][T12991] l2tp_core: L2TP core driver, V2.0
[  866.894419][T12991] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  872.318278][T13069] ppp0: recursion detected
[  873.380964][T13023] ppp0: recursion detected