[  850.213955][T10311] PPP generic driver version 2.4.2
[  850.221666][T10311] NET: Registered PF_PPPOX protocol family
[  850.244120][T10311] l2tp_core: L2TP core driver, V2.0
[  850.252163][T10311] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  855.380703][T10390] ppp0: recursion detected
[  856.431737][T10349] ppp0: recursion detected