[ 1784.404043] br0: port 1(dummy0) entered blocking state
[ 1784.404086] br0: port 1(dummy0) entered disabled state
[ 1784.404122] dummy0: entered allmulticast mode
[ 1784.404181] dummy0: entered promiscuous mode
[ 1784.407086] br0: port 1(dummy0) entered blocking state
[ 1784.407122] br0: port 1(dummy0) entered forwarding state
[ 1784.602042] dummy0: left allmulticast mode
[ 1784.602082] dummy0: left promiscuous mode
[ 1784.602122] br0: port 1(dummy0) entered disabled state