[ 2046.260223][T12578] br0: port 1(dummy0) entered blocking state
[ 2046.260430][T12578] br0: port 1(dummy0) entered disabled state
[ 2046.260605][T12578] dummy0: entered allmulticast mode
[ 2046.261730][T12578] dummy0: entered promiscuous mode
[ 2046.288762][T12579] br0: port 1(dummy0) entered blocking state
[ 2046.289052][T12579] br0: port 1(dummy0) entered forwarding state
[ 2048.268586][   T71] dummy0: left allmulticast mode
[ 2048.269001][   T71] dummy0: left promiscuous mode
[ 2048.269220][   T71] br0: port 1(dummy0) entered disabled state