[ 1590.357195] br0: port 1(dummy0) entered blocking state
[ 1590.357226] br0: port 1(dummy0) entered disabled state
[ 1590.357256] dummy0: entered allmulticast mode
[ 1590.357312] dummy0: entered promiscuous mode
[ 1590.359961] br0: port 1(dummy0) entered blocking state
[ 1590.360019] br0: port 1(dummy0) entered forwarding state
[ 1590.545062] dummy0: left allmulticast mode
[ 1590.545087] dummy0: left promiscuous mode
[ 1590.545114] br0: port 1(dummy0) entered disabled state