[  589.223539][ T9636] PPP generic driver version 2.4.2
[  589.227965][ T9636] NET: Registered PF_PPPOX protocol family
[  589.242455][ T9636] l2tp_core: L2TP core driver, V2.0
[  589.251281][ T9636] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  594.146093][ T9715] ppp0: recursion detected
[  595.186714][ T9675] ppp0: recursion detected