[ 2195.157635][ T5859] br0: port 1(dummy0) entered blocking state
[ 2195.157819][ T5859] br0: port 1(dummy0) entered disabled state
[ 2195.157985][ T5859] dummy0: entered allmulticast mode
[ 2195.159213][ T5859] dummy0: entered promiscuous mode
[ 2195.182613][ T5860] br0: port 1(dummy0) entered blocking state
[ 2195.183009][ T5860] br0: port 1(dummy0) entered forwarding state
[ 2197.115434][   T12] dummy0: left allmulticast mode
[ 2197.116477][   T12] dummy0: left promiscuous mode
[ 2197.116711][   T12] br0: port 1(dummy0) entered disabled state