[  836.599443][T10385] PPP generic driver version 2.4.2
[  836.613082][T10385] NET: Registered PF_PPPOX protocol family
[  836.639933][T10385] l2tp_core: L2TP core driver, V2.0
[  836.646243][T10385] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  841.751578][T10457] ppp0: recursion detected
[  842.086610][    C3] ppp0: recursion detected
[  842.823116][T10418] ppp0: recursion detected