== sanity test 413k: QoS mkdir exclude prefixes ========== 18:05:42 (1789682742)
lmv.lustre-clilmv-ffff92cfd1b92000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff92cfd1b92000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff92cfd1b92000.qos_exclude_prefixes=_temporary