[  628.433400][T10247] PPP generic driver version 2.4.2
[  628.438483][T10247] NET: Registered PF_PPPOX protocol family
[  628.453331][T10247] l2tp_core: L2TP core driver, V2.0
[  628.458328][T10247] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  636.166646][T10430] ppp0: recursion detected
[  636.289131][    C0] ppp0: recursion detected
[  637.204126][T10286] ppp0: recursion detected