[  917.327526][T12982] PPP generic driver version 2.4.2
[  917.333901][T12982] NET: Registered PF_PPPOX protocol family
[  917.350941][T12982] l2tp_core: L2TP core driver, V2.0
[  917.357644][T12982] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  922.766386][T13061] ppp0: recursion detected
[  923.833503][T13019] ppp0: recursion detected