[ 1763.622221] br0: port 1(dummy0) entered blocking state
[ 1763.622254] br0: port 1(dummy0) entered disabled state
[ 1763.622289] dummy0: entered allmulticast mode
[ 1763.622344] dummy0: entered promiscuous mode
[ 1763.625843] br0: port 1(dummy0) entered blocking state
[ 1763.625905] br0: port 1(dummy0) entered forwarding state
[ 1763.868568] dummy0: left allmulticast mode
[ 1763.868607] dummy0: left promiscuous mode
[ 1763.868635] br0: port 1(dummy0) entered disabled state