[  874.515882][T12980] PPP generic driver version 2.4.2
[  874.522464][T12980] NET: Registered PF_PPPOX protocol family
[  874.542970][T12980] l2tp_core: L2TP core driver, V2.0
[  874.555083][T12980] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  879.997185][T13059] ppp0: recursion detected
[  881.083918][T13019] ppp0: recursion detected