[  874.749460][T12980] PPP generic driver version 2.4.2
[  874.756931][T12980] NET: Registered PF_PPPOX protocol family
[  874.789928][T12980] l2tp_core: L2TP core driver, V2.0
[  874.796826][T12980] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  880.072223][T13052] ppp0: recursion detected
[  881.143044][T13012] ppp0: recursion detected