[ 2202.946372][T12017] br0: port 1(dummy0) entered blocking state
[ 2202.946950][T12017] br0: port 1(dummy0) entered disabled state
[ 2202.947180][T12017] dummy0: entered allmulticast mode
[ 2202.948280][T12017] dummy0: entered promiscuous mode
[ 2202.974423][T12018] br0: port 1(dummy0) entered blocking state
[ 2202.974902][T12018] br0: port 1(dummy0) entered forwarding state
[ 2205.388762][   T69] dummy0: left allmulticast mode
[ 2205.389722][   T69] dummy0: left promiscuous mode
[ 2205.389957][   T69] br0: port 1(dummy0) entered disabled state