[ 1790.732525] br0: port 1(dummy0) entered blocking state
[ 1790.732614] br0: port 1(dummy0) entered disabled state
[ 1790.732686] dummy0: entered allmulticast mode
[ 1790.732776] dummy0: entered promiscuous mode
[ 1790.736660] br0: port 1(dummy0) entered blocking state
[ 1790.736696] br0: port 1(dummy0) entered forwarding state
[ 1791.025386] dummy0: left allmulticast mode
[ 1791.025473] dummy0: left promiscuous mode
[ 1791.025538] br0: port 1(dummy0) entered disabled state