[ 1761.754347] br0: port 1(dummy0) entered blocking state
[ 1761.754413] br0: port 1(dummy0) entered disabled state
[ 1761.754479] dummy0: entered allmulticast mode
[ 1761.754567] dummy0: entered promiscuous mode
[ 1761.758175] br0: port 1(dummy0) entered blocking state
[ 1761.758206] br0: port 1(dummy0) entered forwarding state
[ 1762.031289] dummy0: left allmulticast mode
[ 1762.031325] dummy0: left promiscuous mode
[ 1762.031354] br0: port 1(dummy0) entered disabled state