[  902.679885][T13061] PPP generic driver version 2.4.2
[  902.686436][T13061] NET: Registered PF_PPPOX protocol family
[  902.711662][T13061] l2tp_core: L2TP core driver, V2.0
[  902.723671][T13061] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  907.967207][T13138] ppp0: recursion detected
[  909.026546][T13099] ppp0: recursion detected