== sanity test 413k: QoS mkdir exclude prefixes ========== 10:47:49 (1787755669)
lmv.lustre-clilmv-ffffa01fc31e6000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa01fc31e6000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa01fc31e6000.qos_exclude_prefixes=_temporary