[  853.182574][T11247] PPP generic driver version 2.4.2
[  853.189455][T11247] NET: Registered PF_PPPOX protocol family
[  853.229189][T11247] l2tp_core: L2TP core driver, V2.0
[  853.236860][T11247] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  858.664343][T11333] ppp0: recursion detected
[  859.726086][T11288] ppp0: recursion detected
[  859.876450][T11288] xl2tpd (11288) used greatest stack depth: 22736 bytes left