[  904.035103][T12978] PPP generic driver version 2.4.2
[  904.043236][T12978] NET: Registered PF_PPPOX protocol family
[  904.060368][T12978] l2tp_core: L2TP core driver, V2.0
[  904.066682][T12978] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  909.650937][T13054] ppp0: recursion detected
[  910.719591][T13011] ppp0: recursion detected