[  867.967637][T12018] PPP generic driver version 2.4.2
[  867.974175][T12018] NET: Registered PF_PPPOX protocol family
[  867.997180][T12018] l2tp_core: L2TP core driver, V2.0
[  868.003206][T12018] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  873.235132][T12097] ppp0: recursion detected
[  873.323607][    C2] ppp0: recursion detected
[  874.296047][T12056] ppp0: recursion detected