== sanity test 413k: QoS mkdir exclude prefixes ========== 00:12:24 (1787890344)
lmv.lustre-clilmv-ffff9d120c92c800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9d120c92c800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9d120c92c800.qos_exclude_prefixes=_temporary