== sanity test 413k: QoS mkdir exclude prefixes ========== 12:32:21 (1790008341)
lmv.lustre-clilmv-ffff91e0c69ee000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff91e0c69ee000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff91e0c69ee000.qos_exclude_prefixes=_temporary