[  891.454556][T12961] PPP generic driver version 2.4.2
[  891.461391][T12961] NET: Registered PF_PPPOX protocol family
[  891.479202][T12961] l2tp_core: L2TP core driver, V2.0
[  891.486810][T12961] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  896.991317][T13032] ppp0: recursion detected
[  898.073878][T12994] ppp0: recursion detected