[  859.253090][T10415] PPP generic driver version 2.4.2
[  859.259508][T10415] NET: Registered PF_PPPOX protocol family
[  859.288759][T10415] l2tp_core: L2TP core driver, V2.0
[  859.303063][T10415] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  867.436806][T10599] ppp0: recursion detected
[  868.501223][T10448] ppp0: recursion detected