[  920.925738][T12982] PPP generic driver version 2.4.2
[  920.939590][T12982] NET: Registered PF_PPPOX protocol family
[  920.956730][T12982] l2tp_core: L2TP core driver, V2.0
[  920.965013][T12982] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  926.296904][T13059] ppp0: recursion detected
[  927.355734][T13021] ppp0: recursion detected