== sanity test 413k: QoS mkdir exclude prefixes ========== 11:37:16 (1787758636)
lmv.lustre-clilmv-ffff9ffcd87b3000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9ffcd87b3000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9ffcd87b3000.qos_exclude_prefixes=_temporary