[  856.009075][T12980] PPP generic driver version 2.4.2
[  856.016507][T12980] NET: Registered PF_PPPOX protocol family
[  856.037954][T12980] l2tp_core: L2TP core driver, V2.0
[  856.044124][T12980] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  861.466620][T13056] ppp0: recursion detected
[  862.530459][T13013] ppp0: recursion detected