[  868.103003][T12960] PPP generic driver version 2.4.2
[  868.115122][T12960] NET: Registered PF_PPPOX protocol family
[  868.133860][T12960] l2tp_core: L2TP core driver, V2.0
[  868.146298][T12960] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  873.827789][T13045] ppp0: recursion detected
[  874.889412][T12999] ppp0: recursion detected
[  875.069537][T12999] xl2tpd (12999) used greatest stack depth: 22672 bytes left