[  837.595230][T10697] PPP generic driver version 2.4.2
[  837.607559][T10697] NET: Registered PF_PPPOX protocol family
[  837.629083][T10697] l2tp_core: L2TP core driver, V2.0
[  837.643034][T10697] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  842.946849][T10771] ppp0: recursion detected
[  844.005766][T10730] ppp0: recursion detected