[  862.578580][T12980] PPP generic driver version 2.4.2
[  862.584893][T12980] NET: Registered PF_PPPOX protocol family
[  862.606903][T12980] l2tp_core: L2TP core driver, V2.0
[  862.612780][T12980] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  868.306310][T13063] ppp0: recursion detected
[  869.368187][T13020] ppp0: recursion detected