== sanity test 413k: QoS mkdir exclude prefixes ========== 12:39:09 (1790959149)
lmv.lustre-clilmv-ffff9d790c7fd000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9d790c7fd000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9d790c7fd000.qos_exclude_prefixes=_temporary