[ 1824.582593] br0: port 1(dummy0) entered blocking state
[ 1824.582670] br0: port 1(dummy0) entered disabled state
[ 1824.582737] dummy0: entered allmulticast mode
[ 1824.582821] dummy0: entered promiscuous mode
[ 1824.586336] br0: port 1(dummy0) entered blocking state
[ 1824.586369] br0: port 1(dummy0) entered forwarding state
[ 1824.846585] dummy0: left allmulticast mode
[ 1824.846653] dummy0: left promiscuous mode
[ 1824.846725] br0: port 1(dummy0) entered disabled state