[  817.117817][T10374] PPP generic driver version 2.4.2
[  817.124472][T10374] NET: Registered PF_PPPOX protocol family
[  817.157065][T10374] l2tp_core: L2TP core driver, V2.0
[  817.163357][T10374] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  822.375433][T10452] ppp0: recursion detected
[  823.428712][T10413] ppp0: recursion detected