No valid host was found. There are not enough hosts available.
File "/openstack/venvs/nova-master/lib/python2.7/site-packages/nova/conductor/manager.py", line 359, in build_instances request_spec, filter_properties) File "/openstack/venvs/nova-master/lib/python2.7/site-packages/nova/scheduler/utils.py", line 343, in wrapped return func(*args, **kwargs) File "/openstack/venvs/nova-master/lib/python2.7/site-packages/nova/scheduler/client/__init__.py", line 52, in select_destinations context, request_spec, filter_properties) File "/openstack/venvs/nova-master/lib/python2.7/site-packages/nova/scheduler/client/__init__.py", line 37, in __run_method return getattr(self.instance, __name)(*args, **kwargs) File "/openstack/venvs/nova-master/lib/python2.7/site-packages/nova/scheduler/client/query.py", line 34, in select_destinations context, request_spec, filter_properties) File "/openstack/venvs/nova-master/lib/python2.7/site-packages/nova/scheduler/rpcapi.py", line 122, in select_destinations request_spec=request_spec, filter_properties=filter_properties) File "/openstack/venvs/nova-master/lib/python2.7/site-packages/oslo_messaging/rpc/client.py", line 158, in call retry=self.retry) File "/openstack/venvs/nova-master/lib/python2.7/site-packages/oslo_messaging/transport.py", line 90, in _send timeout=timeout, retry=retry) File "/openstack/venvs/nova-master/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 464, in send retry=retry) File "/openstack/venvs/nova-master/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 455, in _send raise result