[  823.420436][T10383] PPP generic driver version 2.4.2
[  823.428199][T10383] NET: Registered PF_PPPOX protocol family
[  823.451330][T10383] l2tp_core: L2TP core driver, V2.0
[  823.459885][T10383] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  831.500539][T10574] ppp0: recursion detected
[  832.554179][T10420] ppp0: recursion detected