[  884.075915][T13066] PPP generic driver version 2.4.2
[  884.082547][T13066] NET: Registered PF_PPPOX protocol family
[  884.111891][T13066] l2tp_core: L2TP core driver, V2.0
[  884.118035][T13066] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  889.365153][T13138] ppp0: recursion detected
[  890.430687][T13099] ppp0: recursion detected