[  875.124592][T12979] PPP generic driver version 2.4.2
[  875.132103][T12979] NET: Registered PF_PPPOX protocol family
[  875.155996][T12979] l2tp_core: L2TP core driver, V2.0
[  875.162453][T12979] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  880.431644][T13059] ppp0: recursion detected
[  880.513851][    C3] ppp0: recursion detected
[  881.497616][T13018] ppp0: recursion detected