[  871.343638][T11247] PPP generic driver version 2.4.2
[  871.350401][T11247] NET: Registered PF_PPPOX protocol family
[  871.377600][T11247] l2tp_core: L2TP core driver, V2.0
[  871.392914][T11247] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  879.745540][T11420] ppp0: recursion detected
[  880.811438][T11273] ppp0: recursion detected