[ 1649.360086] br0: port 1(dummy0) entered blocking state
[ 1649.360122] br0: port 1(dummy0) entered disabled state
[ 1649.360143] dummy0: entered allmulticast mode
[ 1649.360188] dummy0: entered promiscuous mode
[ 1649.362848] br0: port 1(dummy0) entered blocking state
[ 1649.362870] br0: port 1(dummy0) entered forwarding state
[ 1649.536393] dummy0: left allmulticast mode
[ 1649.536444] dummy0: left promiscuous mode
[ 1649.536531] br0: port 1(dummy0) entered disabled state