== sanity test 413k: QoS mkdir exclude prefixes ========== 19:47:06 (1746143226)
lmv.lustre-clilmv-ffff8800b3279000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b3279000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b3279000.qos_exclude_prefixes=_temporary