[  903.043063][T12962] PPP generic driver version 2.4.2
[  903.054317][T12962] NET: Registered PF_PPPOX protocol family
[  903.090835][T12962] l2tp_core: L2TP core driver, V2.0
[  903.100878][T12962] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  908.738734][T13038] ppp0: recursion detected
[  909.801818][T12995] ppp0: recursion detected