[  852.200029][T10384] PPP generic driver version 2.4.2
[  852.206951][T10384] NET: Registered PF_PPPOX protocol family
[  852.229287][T10384] l2tp_core: L2TP core driver, V2.0
[  852.236721][T10384] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  860.539665][T10564] ppp0: recursion detected
[  861.593962][T10417] ppp0: recursion detected
[  861.755109][T10417] xl2tpd (10417) used greatest stack depth: 22256 bytes left