[  874.613839][T11245] PPP generic driver version 2.4.2
[  874.619919][T11245] NET: Registered PF_PPPOX protocol family
[  874.638330][T11245] l2tp_core: L2TP core driver, V2.0
[  874.644928][T11245] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  880.105351][T11331] ppp0: recursion detected
[  881.161697][T11276] ppp0: recursion detected
[  881.345343][T11276] xl2tpd (11276) used greatest stack depth: 22256 bytes left