[ 1000.226075][T12460] l2tp_core: L2TP core driver, V2.0
[ 1000.235872][T12460] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[ 1008.363516][T12628] ppp0: recursion detected
[ 1009.437843][T12494] ppp0: recursion detected