[  872.038441][T10381] PPP generic driver version 2.4.2
[  872.045502][T10381] NET: Registered PF_PPPOX protocol family
[  872.065257][T10381] l2tp_core: L2TP core driver, V2.0
[  872.078272][T10381] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  877.405674][T10464] ppp0: recursion detected
[  878.475018][T10419] ppp0: recursion detected