[  871.561710][T11158] PPP generic driver version 2.4.2
[  871.568345][T11158] NET: Registered PF_PPPOX protocol family
[  871.592186][T11158] l2tp_core: L2TP core driver, V2.0
[  871.598381][T11158] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  879.840911][T11351] ppp0: recursion detected
[  880.892651][T11196] ppp0: recursion detected