[ 1590.695685] br0: port 1(dummy0) entered blocking state
[ 1590.695726] br0: port 1(dummy0) entered disabled state
[ 1590.695764] dummy0: entered allmulticast mode
[ 1590.695819] dummy0: entered promiscuous mode
[ 1590.698641] br0: port 1(dummy0) entered blocking state
[ 1590.698706] br0: port 1(dummy0) entered forwarding state
[ 1590.875771] dummy0: left allmulticast mode
[ 1590.875800] dummy0: left promiscuous mode
[ 1590.875830] br0: port 1(dummy0) entered disabled state