[  890.335509][T12967] PPP generic driver version 2.4.2
[  890.342332][T12967] NET: Registered PF_PPPOX protocol family
[  890.368395][T12967] l2tp_core: L2TP core driver, V2.0
[  890.381279][T12967] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  896.013169][T13045] ppp0: recursion detected
[  897.086374][T13000] ppp0: recursion detected