[  822.138649][T10389] PPP generic driver version 2.4.2
[  822.144798][T10389] NET: Registered PF_PPPOX protocol family
[  822.161999][T10389] l2tp_core: L2TP core driver, V2.0
[  822.169060][T10389] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  827.417224][T10468] ppp0: recursion detected
[  828.479629][T10425] ppp0: recursion detected