[  638.074405][T10351] PPP generic driver version 2.4.2
[  638.078147][T10351] NET: Registered PF_PPPOX protocol family
[  638.091713][T10351] l2tp_core: L2TP core driver, V2.0
[  638.095659][T10351] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  642.824368][T10419] ppp0: recursion detected
[  643.866483][T10383] ppp0: recursion detected