[  890.357006][T12961] PPP generic driver version 2.4.2
[  890.364480][T12961] NET: Registered PF_PPPOX protocol family
[  890.387700][T12961] l2tp_core: L2TP core driver, V2.0
[  890.393884][T12961] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  895.925807][T13033] ppp0: recursion detected
[  896.986005][T12994] ppp0: recursion detected