== sanity test 413k: QoS mkdir exclude prefixes ========== 13:24:26 (1790789066)
lmv.lustre-clilmv-ffff98e7ad053800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff98e7ad053800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff98e7ad053800.qos_exclude_prefixes=_temporary