== sanity test 413k: QoS mkdir exclude prefixes ========== 00:54:46 (1717563286)
lmv.lustre-clilmv-ffff8801361fb800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8801361fb800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8801361fb800.qos_exclude_prefixes=_temporary