From heat engine logs-

I did not find any call to create subnet on that network-

mentioned network created-
http://logs.openstack.org/36/281036/2/gate/gate-tempest-dsvm-layer4/b9a22c1/logs/screen-h-eng.txt.gz#_2016-02-18_08_29_05_106

Fail to find subnet-
http://logs.openstack.org/36/281036/2/gate/gate-tempest-dsvm-layer4/b9a22c1/logs/screen-h-eng.txt.gz#_2016-02-18_08_29_06_320


2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource Traceback (most recent call last):
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource   File "/opt/stack/new/heat/heat/engine/resource.py", line 644, in _action_recorder
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource     yield
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource   File "/opt/stack/new/heat/heat/engine/resource.py", line 715, in _do_action
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource     yield self.action_handler_task(action, args=handler_args)
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource   File "/opt/stack/new/heat/heat/engine/scheduler.py", line 295, in wrapper
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource     step = next(subtask)
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource   File "/opt/stack/new/heat/heat/engine/resource.py", line 686, in action_handler_task
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource     handler_data = handler(*args)
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource   File "/opt/stack/new/heat/heat/engine/resources/openstack/nova/server.py", line 793, in handle_create
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource     admin_pass=admin_pass)
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource   File "/usr/local/lib/python2.7/dist-packages/novaclient/v2/servers.py", line 1038, in create
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource     **boot_kwargs)
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource   File "/usr/local/lib/python2.7/dist-packages/novaclient/v2/servers.py", line 555, in _boot
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource     return_raw=return_raw, **kwargs)
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource   File "/usr/local/lib/python2.7/dist-packages/novaclient/base.py", line 302, in _create
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource     _resp, body = self.api.client.post(url, body=body)
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource   File "/usr/local/lib/python2.7/dist-packages/novaclient/client.py", line 451, in post
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource     return self._cs_request(url, 'POST', **kwargs)
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource   File "/usr/local/lib/python2.7/dist-packages/novaclient/client.py", line 426, in _cs_request
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource     resp, body = self._time_request(url, method, **kwargs)
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource   File "/usr/local/lib/python2.7/dist-packages/novaclient/client.py", line 399, in _time_request
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource     resp, body = self.request(url, method, **kwargs)
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource   File "/usr/local/lib/python2.7/dist-packages/novaclient/client.py", line 393, in request
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource     raise exceptions.from_response(resp, body, url, method)
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource BadRequest: Network 1d27295a-778b-4138-bafe-e9ef8260fb68 requires a subnet in order to boot instances on. (HTTP 400) (Request-ID: req-8d80d330-a77a-4c5d-87dd-65d8b9a1b91e)
2016-02-18 08:29:06.320 21636 ERROR heat.engine.resource