Comment 0 for bug 1055431

Set the metadata on an image:
nova image-meta 5e396b38-7d62-4f0b-b9e3-3705171e77e5 set vm_mode=xen

And try to launch that results in the following log entries at scheduler
2012-09-24 10:57:53 DEBUG nova.scheduler.filters.image_props_filter [req-e4eb51d1-c180-4585-afc5-22c89ec34c20 admin demo] Instance contains properties {u'vm_mode': u'xen'}, but no corresponding capabilities are advertised by the compute node from (pid=26475) _instance_supported /opt/stack/nova/nova/scheduler/filters/image_props_filter.py:50
2012-09-24 10:57:53 DEBUG nova.scheduler.filters.image_props_filter [req-e4eb51d1-c180-4585-afc5-22c89ec34c20 admin demo] host 'DevStackOSDomU': free_ram_mb:15350 free_disk_mb:226304 does not support requested instance_properties from (pid=26475) host_passes /opt/stack/nova/nova/scheduler/filters/image_props_filter.py:83
2012-09-24 10:57:53 DEBUG nova.scheduler.host_manager [req-e4eb51d1-c180-4585-afc5-22c89ec34c20 admin demo] Host filter function <bound method ImagePropertiesFilter.host_passes of <nova.scheduler.filters.image_props_filter.ImagePropertiesFilter object at 0x31137d0>> failed for DevStackOSDomU from (pid=26475) passes_filters /opt/stack/nova/nova/scheduler/host_manager.py:166
2012-09-24 10:57:53 WARNING nova.scheduler.driver [req-e4eb51d1-c180-4585-afc5-22c89ec34c20 admin demo] [instance: 08ff58f7-3354-4ad7-ba0a-3d0670fd09ef] Setting instance to ERROR state.