== sanity test 413k: QoS mkdir exclude prefixes ========== 03:21:12 (1781248872)
lmv.lustre-clilmv-ffff8f45031d1000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8f45031d1000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8f45031d1000.qos_exclude_prefixes=_temporary