== sanity test 413k: QoS mkdir exclude prefixes ========== 10:16:22 (1786112182)
lmv.lustre-clilmv-ffff96f8b2fbb800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff96f8b2fbb800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff96f8b2fbb800.qos_exclude_prefixes=_temporary