[ 1865.591000] br0: port 1(dummy0) entered blocking state
[ 1865.591041] br0: port 1(dummy0) entered disabled state
[ 1865.591076] dummy0: entered allmulticast mode
[ 1865.591138] dummy0: entered promiscuous mode
[ 1865.594356] br0: port 1(dummy0) entered blocking state
[ 1865.594389] br0: port 1(dummy0) entered forwarding state
[ 1865.820302] dummy0: left allmulticast mode
[ 1865.820339] dummy0: left promiscuous mode
[ 1865.820370] br0: port 1(dummy0) entered disabled state