[  388.999339] PPP generic driver version 2.4.2
[  389.000064] NET: Registered PF_PPPOX protocol family
[  389.003049] l2tp_core: L2TP core driver, V2.0
[  389.004053] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  393.370077] ppp0: recursion detected
[  394.382942] ppp0: recursion detected