[  850.533845][T12958] PPP generic driver version 2.4.2
[  850.539785][T12958] NET: Registered PF_PPPOX protocol family
[  850.563473][T12958] l2tp_core: L2TP core driver, V2.0
[  850.569464][T12958] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  855.691059][T13037] ppp0: recursion detected
[  856.757043][T12994] ppp0: recursion detected