[  901.289386][T13096] PPP generic driver version 2.4.2
[  901.296224][T13096] NET: Registered PF_PPPOX protocol family
[  901.313532][T13096] l2tp_core: L2TP core driver, V2.0
[  901.327494][T13096] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  906.726620][T13173] ppp0: recursion detected
[  907.791090][T13135] ppp0: recursion detected