== sanity test 413k: QoS mkdir exclude prefixes ========== 21:03:58 (1787879038)
lmv.lustre-clilmv-ffff8f8e03868800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8f8e03868800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8f8e03868800.qos_exclude_prefixes=_temporary