[  867.603398][T12991] PPP generic driver version 2.4.2
[  867.609940][T12991] NET: Registered PF_PPPOX protocol family
[  867.627148][T12991] l2tp_core: L2TP core driver, V2.0
[  867.633984][T12991] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  872.987895][T13063] ppp0: recursion detected
[  874.054528][T13024] ppp0: recursion detected