[ 2228.513561][T31573] br0: port 1(dummy0) entered blocking state
[ 2228.513762][T31573] br0: port 1(dummy0) entered disabled state
[ 2228.513930][T31573] dummy0: entered allmulticast mode
[ 2228.515210][T31573] dummy0: entered promiscuous mode
[ 2228.538684][T31574] br0: port 1(dummy0) entered blocking state
[ 2228.539126][T31574] br0: port 1(dummy0) entered forwarding state
[ 2230.815105][   T69] dummy0: left allmulticast mode
[ 2230.816162][   T69] dummy0: left promiscuous mode
[ 2230.816394][   T69] br0: port 1(dummy0) entered disabled state