[ 1593.372423] br0: port 1(dummy0) entered blocking state
[ 1593.372472] br0: port 1(dummy0) entered disabled state
[ 1593.372507] dummy0: entered allmulticast mode
[ 1593.372570] dummy0: entered promiscuous mode
[ 1593.375164] br0: port 1(dummy0) entered blocking state
[ 1593.375228] br0: port 1(dummy0) entered forwarding state
[ 1593.559133] dummy0: left allmulticast mode
[ 1593.559169] dummy0: left promiscuous mode
[ 1593.559275] br0: port 1(dummy0) entered disabled state