[  851.138562][T12964] PPP generic driver version 2.4.2
[  851.148180][T12964] NET: Registered PF_PPPOX protocol family
[  851.170094][T12964] l2tp_core: L2TP core driver, V2.0
[  851.175912][T12964] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  856.503685][T13041] ppp0: recursion detected
[  857.570331][T12998] ppp0: recursion detected