[ 1117.454663][T13017] PPP generic driver version 2.4.2
[ 1117.461722][T13017] NET: Registered PF_PPPOX protocol family
[ 1117.485283][T13017] l2tp_core: L2TP core driver, V2.0
[ 1117.492235][T13017] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[ 1122.698906][T13090] ppp0: recursion detected
[ 1123.762855][T13050] ppp0: recursion detected