[ 1940.153399][T25884] br0: port 1(dummy0) entered blocking state
[ 1940.153683][T25884] br0: port 1(dummy0) entered disabled state
[ 1940.153947][T25884] dummy0: entered allmulticast mode
[ 1940.155745][T25884] dummy0: entered promiscuous mode
[ 1940.193321][T25885] br0: port 1(dummy0) entered blocking state
[ 1940.193632][T25885] br0: port 1(dummy0) entered forwarding state
[ 1942.594228][   T12] dummy0: left allmulticast mode
[ 1942.594749][   T12] dummy0: left promiscuous mode
[ 1942.595184][   T12] br0: port 1(dummy0) entered disabled state