[ 4079.981991][ T3488] xdummy0: entered promiscuous mode
[ 4079.995715][ T3488] xdummy0: left promiscuous mode
[ 4080.091627][ T3494] xdummy0: entered promiscuous mode
[ 4080.094823][ T3494] Dead loop on virtual device xdummy0, fix it urgently!
[ 4080.102332][ T3494] xdummy0: left promiscuous mode
[ 4080.182435][ T3496] xdummy0: entered promiscuous mode
[ 4080.196308][ T3496] xdummy0: left promiscuous mode