[  906.178500][T11109] PPP generic driver version 2.4.2
[  906.184989][T11109] NET: Registered PF_PPPOX protocol family
[  906.211641][T11109] l2tp_core: L2TP core driver, V2.0
[  906.218837][T11109] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  911.263688][T11175] ppp0: recursion detected
[  912.327263][T11142] ppp0: recursion detected