[ 1053.666483][T11253] PPP generic driver version 2.4.2
[ 1053.677508][T11253] NET: Registered PF_PPPOX protocol family
[ 1053.696834][T11253] l2tp_core: L2TP core driver, V2.0
[ 1053.703833][T11253] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[ 1062.202830][T11421] ppp0: recursion detected
[ 1063.249454][T11288] ppp0: recursion detected