== sanity test 413k: QoS mkdir exclude prefixes ========== 13:13:58 (1729098838)
lmv.lustre-clilmv-ffff88007aa5c000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88007aa5c000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88007aa5c000.qos_exclude_prefixes=_temporary