[  877.605820][T12254] PPP generic driver version 2.4.2
[  877.619619][T12254] NET: Registered PF_PPPOX protocol family
[  877.640563][T12254] l2tp_core: L2TP core driver, V2.0
[  877.653306][T12254] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  883.174732][T12337] ppp0: recursion detected
[  884.244810][T12292] ppp0: recursion detected