[  626.011728][T10245] PPP generic driver version 2.4.2
[  626.015360][T10245] NET: Registered PF_PPPOX protocol family
[  626.025698][T10245] l2tp_core: L2TP core driver, V2.0
[  626.034140][T10245] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  633.881335][T10435] ppp0: recursion detected
[  634.921245][T10283] ppp0: recursion detected