[ 1732.003160] br0: port 1(dummy0) entered blocking state
[ 1732.003207] br0: port 1(dummy0) entered disabled state
[ 1732.003246] dummy0: entered allmulticast mode
[ 1732.003300] dummy0: entered promiscuous mode
[ 1732.007137] br0: port 1(dummy0) entered blocking state
[ 1732.007205] br0: port 1(dummy0) entered forwarding state
[ 1732.288055] dummy0: left allmulticast mode
[ 1732.288088] dummy0: left promiscuous mode
[ 1732.288121] br0: port 1(dummy0) entered disabled state