[  913.687043][T12987] PPP generic driver version 2.4.2
[  913.696277][T12987] NET: Registered PF_PPPOX protocol family
[  913.715381][T12987] l2tp_core: L2TP core driver, V2.0
[  913.727134][T12987] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  919.720428][T13072] ppp0: recursion detected
[  920.797218][T13025] ppp0: recursion detected