[ 2360.701949][T10750] br0: port 1(dummy0) entered blocking state
[ 2360.702267][T10750] br0: port 1(dummy0) entered disabled state
[ 2360.702875][T10750] dummy0: entered allmulticast mode
[ 2360.704045][T10750] dummy0: entered promiscuous mode
[ 2360.739209][T10751] br0: port 1(dummy0) entered blocking state
[ 2360.739830][T10751] br0: port 1(dummy0) entered forwarding state
[ 2363.363194][   T12] dummy0: left allmulticast mode
[ 2363.363732][   T12] dummy0: left promiscuous mode
[ 2363.364053][   T12] br0: port 1(dummy0) entered disabled state