[  906.371348][T13066] PPP generic driver version 2.4.2
[  906.381884][T13066] NET: Registered PF_PPPOX protocol family
[  906.406176][T13066] l2tp_core: L2TP core driver, V2.0
[  906.413106][T13066] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  911.879938][T13136] ppp0: recursion detected
[  912.964180][T13099] ppp0: recursion detected