[  875.175828][T12965] PPP generic driver version 2.4.2
[  875.189228][T12965] NET: Registered PF_PPPOX protocol family
[  875.208857][T12965] l2tp_core: L2TP core driver, V2.0
[  875.215779][T12965] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  880.444811][T13044] ppp0: recursion detected
[  881.506384][T13001] ppp0: recursion detected