[  587.268241][ T9637] PPP generic driver version 2.4.2
[  587.272250][ T9637] NET: Registered PF_PPPOX protocol family
[  587.282420][ T9637] l2tp_core: L2TP core driver, V2.0
[  587.290430][ T9637] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  592.041861][ T9703] ppp0: recursion detected
[  593.091937][ T9669] ppp0: recursion detected