[  857.240145][T10354] PPP generic driver version 2.4.2
[  857.246213][T10354] NET: Registered PF_PPPOX protocol family
[  857.257332][T10354] l2tp_core: L2TP core driver, V2.0
[  857.264654][T10354] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[  865.485503][T10521] ppp0: recursion detected
[  866.541006][T10386] ppp0: recursion detected