[ 2108.171367][T19431] br0: port 1(dummy0) entered blocking state
[ 2108.171562][T19431] br0: port 1(dummy0) entered disabled state
[ 2108.171720][T19431] dummy0: entered allmulticast mode
[ 2108.172609][T19431] dummy0: entered promiscuous mode
[ 2108.195039][T19432] br0: port 1(dummy0) entered blocking state
[ 2108.195261][T19432] br0: port 1(dummy0) entered forwarding state
[ 2110.099312][   T12] dummy0: left allmulticast mode
[ 2110.099495][   T12] dummy0: left promiscuous mode
[ 2110.099710][   T12] br0: port 1(dummy0) entered disabled state