[ 2181.789585][T27071] br0: port 1(dummy0) entered blocking state
[ 2181.789911][T27071] br0: port 1(dummy0) entered disabled state
[ 2181.790200][T27071] dummy0: entered allmulticast mode
[ 2181.791227][T27071] dummy0: entered promiscuous mode
[ 2181.818679][T27072] br0: port 1(dummy0) entered blocking state
[ 2181.819069][T27072] br0: port 1(dummy0) entered forwarding state
[ 2184.406154][   T12] dummy0: left allmulticast mode
[ 2184.406438][   T12] dummy0: left promiscuous mode
[ 2184.406759][   T12] br0: port 1(dummy0) entered disabled state