[ 1918.932791] br0: port 1(dummy0) entered blocking state
[ 1918.932835] br0: port 1(dummy0) entered disabled state
[ 1918.932868] dummy0: entered allmulticast mode
[ 1918.932918] dummy0: entered promiscuous mode
[ 1918.936381] br0: port 1(dummy0) entered blocking state
[ 1918.936444] br0: port 1(dummy0) entered forwarding state
[ 1919.199207] dummy0: left allmulticast mode
[ 1919.199249] dummy0: left promiscuous mode
[ 1919.199280] br0: port 1(dummy0) entered disabled state