[ 1561.082013] br0: port 1(dummy0) entered blocking state
[ 1561.082081] br0: port 1(dummy0) entered disabled state
[ 1561.082166] dummy0: entered allmulticast mode
[ 1561.082245] dummy0: entered promiscuous mode
[ 1561.084717] br0: port 1(dummy0) entered blocking state
[ 1561.084777] br0: port 1(dummy0) entered forwarding state
[ 1561.266140] dummy0: left allmulticast mode
[ 1561.266172] dummy0: left promiscuous mode
[ 1561.266200] br0: port 1(dummy0) entered disabled state