[  408.513988] PPP generic driver version 2.4.2
[  408.517386] NET: Registered PF_PPPOX protocol family
[  408.520371] l2tp_core: L2TP core driver, V2.0
[  408.521707] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  413.014423] ppp0: recursion detected
[  414.022737] ppp0: recursion detected