[  409.660709] br0: port 1(dummy0) entered blocking state
[  409.661328] br0: port 1(dummy0) entered disabled state
[  409.663188] device dummy0 entered promiscuous mode
[  409.735131] br0: port 1(dummy0) entered blocking state
[  409.735745] br0: port 1(dummy0) entered forwarding state
[  409.999386] br0: port 1(dummy0) entered disabled state
[  410.128470] device dummy0 left promiscuous mode
[  410.129049] br0: port 1(dummy0) entered disabled state