ovs

ofp-parse: Improve comment for parse_ofp_packet_out_str().

ofp-parse: Fix small memory leak when calling parse_ofp_meter_mod_str().

ofproto-dpif-ipfix: Fix inefficent memory use in ipfix_send_template_msgs().

Revert "ofproto-dpif-ipfix: Fix severe memory leak in ipfix_send_template_msgs()."

dpif: fix warn msg when failed to open netdev