[  850.360840][T12983] PPP generic driver version 2.4.2
[  850.369438][T12983] NET: Registered PF_PPPOX protocol family
[  850.389993][T12983] l2tp_core: L2TP core driver, V2.0
[  850.406086][T12983] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  855.592895][T13055] ppp0: recursion detected
[  856.652834][T13016] ppp0: recursion detected