[  330.216371] br0: port 1(dummy0) entered blocking state
[  330.216379] br0: port 1(dummy0) entered disabled state
[  330.216437] device dummy0 entered promiscuous mode
[  330.240938] br0: port 1(dummy0) entered blocking state
[  330.240943] br0: port 1(dummy0) entered forwarding state
[  330.339752] br0: port 1(dummy0) entered disabled state
[  330.386181] device dummy0 left promiscuous mode
[  330.386211] br0: port 1(dummy0) entered disabled state