[  852.348214][T10855] PPP generic driver version 2.4.2
[  852.355093][T10855] NET: Registered PF_PPPOX protocol family
[  852.374325][T10855] l2tp_core: L2TP core driver, V2.0
[  852.394044][T10855] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  857.514110][T10932] ppp0: recursion detected
[  858.570748][T10894] ppp0: recursion detected