[  863.859867][T12978] PPP generic driver version 2.4.2
[  863.871324][T12978] NET: Registered PF_PPPOX protocol family
[  863.899258][T12978] l2tp_core: L2TP core driver, V2.0
[  863.905127][T12978] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  869.238439][    C3] ppp0: recursion detected
[  869.253416][T13056] ppp0: recursion detected
[  870.321918][T13018] ppp0: recursion detected