[  832.548861][T12961] PPP generic driver version 2.4.2
[  832.554681][T12961] NET: Registered PF_PPPOX protocol family
[  832.570364][T12961] l2tp_core: L2TP core driver, V2.0
[  832.578311][T12961] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  837.940717][T13033] ppp0: recursion detected
[  838.992482][T12994] ppp0: recursion detected