[  322.435496] br0: port 1(dummy0) entered blocking state
[  322.435504] br0: port 1(dummy0) entered disabled state
[  322.435603] device dummy0 entered promiscuous mode
[  322.469108] br0: port 1(dummy0) entered blocking state
[  322.469114] br0: port 1(dummy0) entered forwarding state
[  322.600396] br0: port 1(dummy0) entered disabled state
[  322.658098] device dummy0 left promiscuous mode
[  322.658132] br0: port 1(dummy0) entered disabled state