[  854.574695][T12987] PPP generic driver version 2.4.2
[  854.583251][T12987] NET: Registered PF_PPPOX protocol family
[  854.606249][T12987] l2tp_core: L2TP core driver, V2.0
[  854.614142][T12987] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  860.069877][T13065] ppp0: recursion detected
[  861.122776][T13020] ppp0: recursion detected