[  853.180947][T12960] PPP generic driver version 2.4.2
[  853.187629][T12960] NET: Registered PF_PPPOX protocol family
[  853.209187][T12960] l2tp_core: L2TP core driver, V2.0
[  853.215391][T12960] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  858.519717][T13043] ppp0: recursion detected
[  859.581459][T12998] ppp0: recursion detected