[  407.978530] PPP generic driver version 2.4.2
[  407.981444] NET: Registered PF_PPPOX protocol family
[  407.984045] l2tp_core: L2TP core driver, V2.0
[  407.985063] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  412.582301] ppp0: recursion detected
[  413.598065] ppp0: recursion detected