[  874.870303][T12224] PPP generic driver version 2.4.2
[  874.881924][T12224] NET: Registered PF_PPPOX protocol family
[  874.902583][T12224] l2tp_core: L2TP core driver, V2.0
[  874.909485][T12224] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  880.328380][T12296] ppp0: recursion detected
[  881.397990][T12257] ppp0: recursion detected