[  867.465870][T12964] PPP generic driver version 2.4.2
[  867.471831][T12964] NET: Registered PF_PPPOX protocol family
[  867.487827][T12964] l2tp_core: L2TP core driver, V2.0
[  867.494030][T12964] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  873.051061][T13049] ppp0: recursion detected
[  874.106298][T13004] ppp0: recursion detected