[  368.239856] PPP generic driver version 2.4.2
[  368.241235] NET: Registered PF_PPPOX protocol family
[  368.243495] l2tp_core: L2TP core driver, V2.0
[  368.244456] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  375.630593] ppp0: recursion detected
[  376.645473] ppp0: recursion detected