[  851.752791][T10378] PPP generic driver version 2.4.2
[  851.762682][T10378] NET: Registered PF_PPPOX protocol family
[  851.787634][T10378] l2tp_core: L2TP core driver, V2.0
[  851.803145][T10378] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  857.025978][T10450] ppp0: recursion detected
[  858.090757][T10411] ppp0: recursion detected
[  858.270570][T10411] xl2tpd (10411) used greatest stack depth: 22192 bytes left