[  911.109688][T11251] PPP generic driver version 2.4.2
[  911.116358][T11251] NET: Registered PF_PPPOX protocol family
[  911.139235][T11251] l2tp_core: L2TP core driver, V2.0
[  911.154529][T11251] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  916.506087][T11330] ppp0: recursion detected
[  917.589946][T11291] ppp0: recursion detected