[ 1590.845515] br0: port 1(dummy0) entered blocking state
[ 1590.845560] br0: port 1(dummy0) entered disabled state
[ 1590.845596] dummy0: entered allmulticast mode
[ 1590.845652] dummy0: entered promiscuous mode
[ 1590.848641] br0: port 1(dummy0) entered blocking state
[ 1590.848672] br0: port 1(dummy0) entered forwarding state
[ 1591.051743] dummy0: left allmulticast mode
[ 1591.051785] dummy0: left promiscuous mode
[ 1591.051820] br0: port 1(dummy0) entered disabled state