[ 2116.526921][T17420] br0: port 1(dummy0) entered blocking state
[ 2116.527221][T17420] br0: port 1(dummy0) entered disabled state
[ 2116.527492][T17420] dummy0: entered allmulticast mode
[ 2116.528493][T17420] dummy0: entered promiscuous mode
[ 2116.558738][T17421] br0: port 1(dummy0) entered blocking state
[ 2116.559048][T17421] br0: port 1(dummy0) entered forwarding state
[ 2118.976770][   T69] dummy0: left allmulticast mode
[ 2118.978011][   T69] dummy0: left promiscuous mode
[ 2118.978382][   T69] br0: port 1(dummy0) entered disabled state