[ 3871.719841][ T4223] xdummy0: entered promiscuous mode
[ 3871.732236][ T4223] xdummy0: left promiscuous mode
[ 3871.836330][ T4229] xdummy0: entered promiscuous mode
[ 3871.848883][ T4229] xdummy0: left promiscuous mode
[ 3871.930003][ T4231] xdummy0: entered promiscuous mode
[ 3871.939287][ T4231] xdummy0: left promiscuous mode