[  851.105604][T12979] PPP generic driver version 2.4.2
[  851.112120][T12979] NET: Registered PF_PPPOX protocol family
[  851.137549][T12979] l2tp_core: L2TP core driver, V2.0
[  851.143708][T12979] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  856.545013][T13057] ppp0: recursion detected
[  857.603533][T13011] ppp0: recursion detected