== sanity test 413k: QoS mkdir exclude prefixes ========== 07:36:45 (1715341005)
lmv.lustre-clilmv-ffff8801323fa000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8801323fa000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8801323fa000.qos_exclude_prefixes=_temporary