[  874.286598][T11242] PPP generic driver version 2.4.2
[  874.292649][T11242] NET: Registered PF_PPPOX protocol family
[  874.313138][T11242] l2tp_core: L2TP core driver, V2.0
[  874.319451][T11242] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  879.465057][    C0] ppp0: recursion detected
[  879.479804][T11321] ppp0: recursion detected
[  880.546069][T11278] ppp0: recursion detected