${CIRROS_stable/newton} cirros-0.3.4-x86_64-uec
${CIRROS_stable/ocata} cirros-0.3.4-x86_64-uec
${CIRROS_stable/pike} cirros-0.3.5-x86_64-disk
${CIRROS_stable/newton} cirros-0.3.4-x86_64-uec
${CIRROS_stable/ocata} cirros-0.3.4-x86_64-uec
${CIRROS_stable/pike} cirros-0.3.5-x86_64-disk