Hi all How to invalidate a dp-flow which was generated by of-flow, like recirc_id(0),in_port(2),eth(src=50:1c:bf:71:13:22,dst=50:1c:bf:71:13:22),eth_type(0x9000), packets:27, bytes:1620, used:8.822s, actions:drop Thanks, Zhang Haoyu