[  407.569685] PPP generic driver version 2.4.2
[  407.570724] NET: Registered PF_PPPOX protocol family
[  407.574242] l2tp_core: L2TP core driver, V2.0
[  407.575278] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  412.001708] ppp0: recursion detected
[  412.291331] ppp0: recursion detected