[  856.098734][T12961] PPP generic driver version 2.4.2
[  856.109671][T12961] NET: Registered PF_PPPOX protocol family
[  856.133382][T12961] l2tp_core: L2TP core driver, V2.0
[  856.140443][T12961] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  861.388427][T13039] ppp0: recursion detected
[  862.453895][T12994] ppp0: recursion detected