[  875.066734][T11237] PPP generic driver version 2.4.2
[  875.073530][T11237] NET: Registered PF_PPPOX protocol family
[  875.102547][T11237] l2tp_core: L2TP core driver, V2.0
[  875.113241][T11237] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  880.587354][T11320] ppp0: recursion detected
[  881.648833][T11274] ppp0: recursion detected