[ 2046.225391][T11752] br0: port 1(dummy0) entered blocking state
[ 2046.225617][T11752] br0: port 1(dummy0) entered disabled state
[ 2046.225835][T11752] dummy0: entered allmulticast mode
[ 2046.226772][T11752] dummy0: entered promiscuous mode
[ 2046.257108][T11753] br0: port 1(dummy0) entered blocking state
[ 2046.257844][T11753] br0: port 1(dummy0) entered forwarding state
[ 2048.245286][   T12] dummy0: left allmulticast mode
[ 2048.246291][   T12] dummy0: left promiscuous mode
[ 2048.246519][   T12] br0: port 1(dummy0) entered disabled state