[  420.106026] PPP generic driver version 2.4.2
[  420.106765] NET: Registered PF_PPPOX protocol family
[  420.109864] l2tp_core: L2TP core driver, V2.0
[  420.111041] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  424.510495] ppp0: recursion detected
[  425.518651] ppp0: recursion detected