[  853.726069][T12962] PPP generic driver version 2.4.2
[  853.733009][T12962] NET: Registered PF_PPPOX protocol family
[  853.749485][T12962] l2tp_core: L2TP core driver, V2.0
[  853.755854][T12962] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  859.040634][T13040] ppp0: recursion detected
[  860.102535][T13001] ppp0: recursion detected