[  921.481458][T11244] PPP generic driver version 2.4.2
[  921.488013][T11244] NET: Registered PF_PPPOX protocol family
[  921.505054][T11244] l2tp_core: L2TP core driver, V2.0
[  921.523602][T11244] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  926.860401][T11321] ppp0: recursion detected
[  927.949186][T11283] ppp0: recursion detected