[  640.711011][T25807] br0: port 1(dummy0) entered blocking state
[  640.711249][T25807] br0: port 1(dummy0) entered disabled state
[  640.711467][T25807] dummy0: entered allmulticast mode
[  640.712523][T25807] dummy0: entered promiscuous mode
[  640.741776][T25808] br0: port 1(dummy0) entered blocking state
[  640.742007][T25808] br0: port 1(dummy0) entered forwarding state
[  642.625158][   T12] dummy0: left allmulticast mode
[  642.625798][   T12] dummy0: left promiscuous mode
[  642.626019][   T12] br0: port 1(dummy0) entered disabled state