[  904.610471][T12983] PPP generic driver version 2.4.2
[  904.619749][T12983] NET: Registered PF_PPPOX protocol family
[  904.643060][T12983] l2tp_core: L2TP core driver, V2.0
[  904.651087][T12983] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  910.020300][T13055] ppp0: recursion detected
[  911.081905][T13016] ppp0: recursion detected