[  857.038483][T12995] PPP generic driver version 2.4.2
[  857.046465][T12995] NET: Registered PF_PPPOX protocol family
[  857.076915][T12995] l2tp_core: L2TP core driver, V2.0
[  857.084912][T12995] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  862.558356][    C1] ppp0: recursion detected
[  862.569939][T13073] ppp0: recursion detected
[  863.641133][T13028] ppp0: recursion detected