[  902.323175][T12985] PPP generic driver version 2.4.2
[  902.334723][T12985] NET: Registered PF_PPPOX protocol family
[  902.365170][T12985] l2tp_core: L2TP core driver, V2.0
[  902.375551][T12985] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  908.120696][T13058] ppp0: recursion detected
[  909.190323][T13019] ppp0: recursion detected