[  407.662531] PPP generic driver version 2.4.2
[  407.663225] NET: Registered PF_PPPOX protocol family
[  407.665252] l2tp_core: L2TP core driver, V2.0
[  407.667362] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  412.118166] ppp0: recursion detected
[  413.130544] ppp0: recursion detected