[  823.933523][T12121] PPP generic driver version 2.4.2
[  823.949208][T12121] NET: Registered PF_PPPOX protocol family
[  823.974806][T12121] l2tp_core: L2TP core driver, V2.0
[  823.980849][T12121] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  829.371099][T12200] ppp0: recursion detected
[  830.451343][T12160] ppp0: recursion detected