[ 2093.073179][T23804] br0: port 1(dummy0) entered blocking state
[ 2093.073412][T23804] br0: port 1(dummy0) entered disabled state
[ 2093.073626][T23804] dummy0: entered allmulticast mode
[ 2093.075209][T23804] dummy0: entered promiscuous mode
[ 2093.108377][T23805] br0: port 1(dummy0) entered blocking state
[ 2093.108640][T23805] br0: port 1(dummy0) entered forwarding state
[ 2095.158563][   T12] dummy0: left allmulticast mode
[ 2095.159519][   T12] dummy0: left promiscuous mode
[ 2095.160007][   T12] br0: port 1(dummy0) entered disabled state