[ 2423.054646][ T5084] br0: port 1(dummy0) entered blocking state
[ 2423.054878][ T5084] br0: port 1(dummy0) entered disabled state
[ 2423.055095][ T5084] dummy0: entered allmulticast mode
[ 2423.056169][ T5084] dummy0: entered promiscuous mode
[ 2423.088157][ T5085] br0: port 1(dummy0) entered blocking state
[ 2423.088427][ T5085] br0: port 1(dummy0) entered forwarding state
[ 2425.466384][   T12] dummy0: left allmulticast mode
[ 2425.467403][   T12] dummy0: left promiscuous mode
[ 2425.467645][   T12] br0: port 1(dummy0) entered disabled state