[  823.545757][T10391] PPP generic driver version 2.4.2
[  823.553298][T10391] NET: Registered PF_PPPOX protocol family
[  823.578859][T10391] l2tp_core: L2TP core driver, V2.0
[  823.586010][T10391] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  828.711668][T10470] ppp0: recursion detected
[  828.795324][    C0] ppp0: recursion detected
[  829.769044][T10429] ppp0: recursion detected