[  863.124579][T12986] PPP generic driver version 2.4.2
[  863.131145][T12986] NET: Registered PF_PPPOX protocol family
[  863.153475][T12986] l2tp_core: L2TP core driver, V2.0
[  863.173581][T12986] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  868.409176][T13064] ppp0: recursion detected
[  868.706161][    C3] ppp0: recursion detected
[  869.476991][T13025] ppp0: recursion detected