[ 2093.679897][T31721] br0: port 1(dummy0) entered blocking state
[ 2093.680096][T31721] br0: port 1(dummy0) entered disabled state
[ 2093.680275][T31721] dummy0: entered allmulticast mode
[ 2093.681737][T31721] dummy0: entered promiscuous mode
[ 2093.710323][T31722] br0: port 1(dummy0) entered blocking state
[ 2093.710618][T31722] br0: port 1(dummy0) entered forwarding state
[ 2095.753552][   T12] dummy0: left allmulticast mode
[ 2095.753864][   T12] dummy0: left promiscuous mode
[ 2095.754100][   T12] br0: port 1(dummy0) entered disabled state