[ 1842.991587] br0: port 1(dummy0) entered blocking state
[ 1842.991631] br0: port 1(dummy0) entered disabled state
[ 1842.991668] dummy0: entered allmulticast mode
[ 1842.991715] dummy0: entered promiscuous mode
[ 1842.995614] br0: port 1(dummy0) entered blocking state
[ 1842.995675] br0: port 1(dummy0) entered forwarding state
[ 1843.273726] dummy0: left allmulticast mode
[ 1843.273758] dummy0: left promiscuous mode
[ 1843.273782] br0: port 1(dummy0) entered disabled state