[  874.549600][T12963] PPP generic driver version 2.4.2
[  874.564120][T12963] NET: Registered PF_PPPOX protocol family
[  874.582666][T12963] l2tp_core: L2TP core driver, V2.0
[  874.589654][T12963] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  880.097955][T13046] ppp0: recursion detected
[  881.161175][T13001] ppp0: recursion detected