[ 2554.678872][T27672] br0: port 1(dummy0) entered blocking state
[ 2554.679192][T27672] br0: port 1(dummy0) entered disabled state
[ 2554.679482][T27672] dummy0: entered allmulticast mode
[ 2554.680491][T27672] dummy0: entered promiscuous mode
[ 2554.710332][T27673] br0: port 1(dummy0) entered blocking state
[ 2554.710683][T27673] br0: port 1(dummy0) entered forwarding state
[ 2557.558474][   T12] dummy0: left allmulticast mode
[ 2557.558892][   T12] dummy0: left promiscuous mode
[ 2557.559308][   T12] br0: port 1(dummy0) entered disabled state