[ 1732.471579] br0: port 1(dummy0) entered blocking state
[ 1732.471653] br0: port 1(dummy0) entered disabled state
[ 1732.471724] dummy0: entered allmulticast mode
[ 1732.471809] dummy0: entered promiscuous mode
[ 1732.475178] br0: port 1(dummy0) entered blocking state
[ 1732.475209] br0: port 1(dummy0) entered forwarding state
[ 1732.713639] dummy0: left allmulticast mode
[ 1732.713720] dummy0: left promiscuous mode
[ 1732.713815] br0: port 1(dummy0) entered disabled state