[  853.786284][T12963] PPP generic driver version 2.4.2
[  853.795861][T12963] NET: Registered PF_PPPOX protocol family
[  853.816211][T12963] l2tp_core: L2TP core driver, V2.0
[  853.823089][T12963] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  859.130325][T13042] ppp0: recursion detected
[  860.186258][T13001] ppp0: recursion detected