[  407.405736] PPP generic driver version 2.4.2
[  407.408011] NET: Registered PF_PPPOX protocol family
[  407.410364] l2tp_core: L2TP core driver, V2.0
[  407.411430] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  411.720278] ppp0: recursion detected
[  412.727608] ppp0: recursion detected