[ 1960.952311][T25788] br0: port 1(dummy0) entered blocking state
[ 1960.952498][T25788] br0: port 1(dummy0) entered disabled state
[ 1960.952665][T25788] dummy0: entered allmulticast mode
[ 1960.953524][T25788] dummy0: entered promiscuous mode
[ 1960.979347][T25789] br0: port 1(dummy0) entered blocking state
[ 1960.979632][T25789] br0: port 1(dummy0) entered forwarding state
[ 1963.211531][   T12] dummy0: left allmulticast mode
[ 1963.212668][   T12] dummy0: left promiscuous mode
[ 1963.212966][   T12] br0: port 1(dummy0) entered disabled state