== sanity test 413k: QoS mkdir exclude prefixes ========== 09:41:48 (1789306908)
lmv.lustre-clilmv-ffff93e4d0666000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff93e4d0666000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff93e4d0666000.qos_exclude_prefixes=_temporary