[  792.177926][T16394] br0: port 1(dummy0) entered blocking state
[  792.178121][T16394] br0: port 1(dummy0) entered disabled state
[  792.178290][T16394] dummy0: entered allmulticast mode
[  792.179166][T16394] dummy0: entered promiscuous mode
[  792.210085][T16395] br0: port 1(dummy0) entered blocking state
[  792.210311][T16395] br0: port 1(dummy0) entered forwarding state
[  794.199183][   T12] dummy0: left allmulticast mode
[  794.199410][   T12] dummy0: left promiscuous mode
[  794.199649][   T12] br0: port 1(dummy0) entered disabled state