[  747.291436][T10908] PPP generic driver version 2.4.2
[  747.297778][T10908] NET: Registered PF_PPPOX protocol family
[  747.327046][T10908] l2tp_core: L2TP core driver, V2.0
[  747.333718][T10908] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  752.422674][T10980] ppp0: recursion detected
[  753.489230][T10945] ppp0: recursion detected