[  851.460718][T10391] PPP generic driver version 2.4.2
[  851.467683][T10391] NET: Registered PF_PPPOX protocol family
[  851.492787][T10391] l2tp_core: L2TP core driver, V2.0
[  851.504529][T10391] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  856.815383][T10461] ppp0: recursion detected
[  856.936662][    C1] ppp0: recursion detected
[  857.875695][T10424] ppp0: recursion detected