OFPUTIL_FF_CHECK_OVERLAP = 1 << 3, /* All versions. */
OFPUTIL_FF_EMERG = 1 << 4, /* OpenFlow 1.0 only. */
OFPUTIL_FF_RESET_COUNTS = 1 << 5, /* OpenFlow 1.2+. */
OFPUTIL_FF_CHECK_OVERLAP = 1 << 3, /* All versions. */
OFPUTIL_FF_EMERG = 1 << 4, /* OpenFlow 1.0 only. */
OFPUTIL_FF_RESET_COUNTS = 1 << 5, /* OpenFlow 1.2+. */