[  848.659523][T12981] PPP generic driver version 2.4.2
[  848.669291][T12981] NET: Registered PF_PPPOX protocol family
[  848.691033][T12981] l2tp_core: L2TP core driver, V2.0
[  848.699490][T12981] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  854.012315][T13058] ppp0: recursion detected
[  855.076576][T13021] ppp0: recursion detected