== sanity test 413k: QoS mkdir exclude prefixes ========== 06:57:35 (1787396255)
lmv.lustre-clilmv-ffff9f1bd0e18000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9f1bd0e18000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9f1bd0e18000.qos_exclude_prefixes=_temporary