[  368.508260] PPP generic driver version 2.4.2
[  368.509642] NET: Registered PF_PPPOX protocol family
[  368.511797] l2tp_core: L2TP core driver, V2.0
[  368.512706] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  372.925130] ppp0: recursion detected
[  373.933568] ppp0: recursion detected