[  856.269107][T12960] PPP generic driver version 2.4.2
[  856.288127][T12960] NET: Registered PF_PPPOX protocol family
[  856.325714][T12960] l2tp_core: L2TP core driver, V2.0
[  856.344878][T12960] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  861.871090][T13037] ppp0: recursion detected
[  862.932154][T12992] ppp0: recursion detected