[ 1895.813774][T22411] br0: port 1(dummy0) entered blocking state
[ 1895.813977][T22411] br0: port 1(dummy0) entered disabled state
[ 1895.814148][T22411] dummy0: entered allmulticast mode
[ 1895.815124][T22411] dummy0: entered promiscuous mode
[ 1895.844352][T22412] br0: port 1(dummy0) entered blocking state
[ 1895.844590][T22412] br0: port 1(dummy0) entered forwarding state
[ 1897.701303][   T12] dummy0: left allmulticast mode
[ 1897.701596][   T12] dummy0: left promiscuous mode
[ 1897.701808][   T12] br0: port 1(dummy0) entered disabled state