'Include orphaned instances in usage.'

def _update_usage_from_orphans(self, orphans, nodename):

    for orphan in orphans:
        memory_mb = orphan['memory_mb']
        LOG.warning('Detected    running    orphan    instance:    %(uuid)s    (consuming    %(memory_mb)s    MB    memory)', {'uuid': orphan['uuid'], 'memory_mb': memory_mb})
        usage = {'memory_mb': memory_mb}
        self._update_usage(usage, nodename)
