[  871.127397][T12969] PPP generic driver version 2.4.2
[  871.137853][T12969] NET: Registered PF_PPPOX protocol family
[  871.165553][T12969] l2tp_core: L2TP core driver, V2.0
[  871.185790][T12969] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  876.710122][T13047] ppp0: recursion detected
[  877.779982][T13008] ppp0: recursion detected