[  877.843319][T12998] PPP generic driver version 2.4.2
[  877.850700][T12998] NET: Registered PF_PPPOX protocol family
[  877.880284][T12998] l2tp_core: L2TP core driver, V2.0
[  877.886793][T12998] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  883.204161][T13071] ppp0: recursion detected
[  884.263243][T13032] ppp0: recursion detected