[  223.597809][ T3769] br0: port 1(dummy0) entered blocking state
[  223.598104][ T3769] br0: port 1(dummy0) entered disabled state
[  223.598280][ T3769] dummy0: entered allmulticast mode
[  223.599268][ T3769] dummy0: entered promiscuous mode
[  223.622456][ T3770] br0: port 1(dummy0) entered blocking state
[  223.622714][ T3770] br0: port 1(dummy0) entered forwarding state
[  225.635449][   T70] dummy0: left allmulticast mode
[  225.635743][   T70] dummy0: left promiscuous mode
[  225.636067][   T70] br0: port 1(dummy0) entered disabled state