[ 2278.050131][T11497] br0: port 1(dummy0) entered blocking state
[ 2278.050438][T11497] br0: port 1(dummy0) entered disabled state
[ 2278.050712][T11497] dummy0: entered allmulticast mode
[ 2278.051711][T11497] dummy0: entered promiscuous mode
[ 2278.087169][T11498] br0: port 1(dummy0) entered blocking state
[ 2278.087504][T11498] br0: port 1(dummy0) entered forwarding state
[ 2280.584035][   T73] dummy0: left allmulticast mode
[ 2280.584350][   T73] dummy0: left promiscuous mode
[ 2280.584707][   T73] br0: port 1(dummy0) entered disabled state