[ 1918.537983] br0: port 1(dummy0) entered blocking state
[ 1918.538034] br0: port 1(dummy0) entered disabled state
[ 1918.538070] dummy0: entered allmulticast mode
[ 1918.538121] dummy0: entered promiscuous mode
[ 1918.541473] br0: port 1(dummy0) entered blocking state
[ 1918.541507] br0: port 1(dummy0) entered forwarding state
[ 1918.762879] dummy0: left allmulticast mode
[ 1918.762950] dummy0: left promiscuous mode
[ 1918.763012] br0: port 1(dummy0) entered disabled state