[ 1760.883002] br0: port 1(dummy0) entered blocking state
[ 1760.883056] br0: port 1(dummy0) entered disabled state
[ 1760.883090] dummy0: entered allmulticast mode
[ 1760.883146] dummy0: entered promiscuous mode
[ 1760.886482] br0: port 1(dummy0) entered blocking state
[ 1760.886515] br0: port 1(dummy0) entered forwarding state
[ 1761.121438] dummy0: left allmulticast mode
[ 1761.121482] dummy0: left promiscuous mode
[ 1761.121510] br0: port 1(dummy0) entered disabled state