code: func (h *Handle) ConntrackTableFlush(table ConntrackTableType) error {
  	req := h.newConntrackRequest(table, unix.AF_INET, nl.IPCTNL_MSG_CT_DELETE, unix.NLM_F_ACK)
  	_, err := req.Execute(unix.NETLINK_NETFILTER, 0)
  	return err
  }
docs: // ConntrackTableFlush flushes all the flows of a specified table using the netlink handle passed
  // conntrack -F [table]            Flush table
  // The flush operation applies to all the family types