== sanity test 413k: QoS mkdir exclude prefixes ========== 09:40:15 (1726839615)
lmv.lustre-clilmv-ffff8800b6cf7000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b6cf7000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b6cf7000.qos_exclude_prefixes=_temporary