== sanity test 413k: QoS mkdir exclude prefixes ========== 12:59:33 (1788541173)
lmv.lustre-clilmv-ffff989eb15a5800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff989eb15a5800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff989eb15a5800.qos_exclude_prefixes=_temporary