[  856.327825][T12964] PPP generic driver version 2.4.2
[  856.335707][T12964] NET: Registered PF_PPPOX protocol family
[  856.354437][T12964] l2tp_core: L2TP core driver, V2.0
[  856.361317][T12964] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  861.604757][T13041] ppp0: recursion detected
[  862.672265][T13001] ppp0: recursion detected