[  851.810474][T12981] PPP generic driver version 2.4.2
[  851.817011][T12981] NET: Registered PF_PPPOX protocol family
[  851.841588][T12981] l2tp_core: L2TP core driver, V2.0
[  851.847510][T12981] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  857.020857][T13054] ppp0: recursion detected
[  858.086968][T13015] ppp0: recursion detected