[  869.474497][T12980] PPP generic driver version 2.4.2
[  869.486114][T12980] NET: Registered PF_PPPOX protocol family
[  869.505720][T12980] l2tp_core: L2TP core driver, V2.0
[  869.512629][T12980] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  874.998719][T13053] ppp0: recursion detected
[  876.056059][T13014] ppp0: recursion detected