[  858.120620][T12991] PPP generic driver version 2.4.2
[  858.128545][T12991] NET: Registered PF_PPPOX protocol family
[  858.150988][T12991] l2tp_core: L2TP core driver, V2.0
[  858.160815][T12991] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  863.486030][T13065] ppp0: recursion detected
[  863.590162][    C2] ppp0: recursion detected
[  864.557862][T13026] ppp0: recursion detected