Director installation fails

Issue

• Director overcloud deploy fails after recent updates
• Director overcloud deploy fails after upgrading from 7.2 to 7.3.

Stack failed with status: Resource CREATE failed: StackValidationFailed: resources.ControlVirtualIP: Property error: ControlVirtualIP.Properties.network_id: Multiple network matches found for name '', use an ID to be more specific.
ERROR: openstack Heat Stack create failed.

Stack failed with status: Resource CREATE failed: The Referenced Attribute (InternalApiVirtualIP ip_address_uri) is incorrect.
ERROR: openstack Heat Stack create failed.
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/cliff/app.py", line 295, in run_subcommand
    result = cmd.run(parsed_args)
  File "/usr/lib/python2.7/site-packages/cliff/command.py", line 53, in run
    self.take_action(parsed_args)
  File "/usr/lib/python2.7/site-packages/rdomanager_oscplugin/v1/overcloud_deploy.py", line 1260, in take_action
    self._deploy_tripleo_heat_templates(stack, parsed_args)
  File "/usr/lib/python2.7/site-packages/rdomanager_oscplugin/v1/overcloud_deploy.py", line 537, in _deploy_tripleo_heat_templates
    environments, parsed_args.timeout)
  File "/usr/lib/python2.7/site-packages/rdomanager_oscplugin/v1/overcloud_deploy.py", line 450, in _heat_deploy
    raise Exception("Heat Stack create failed.")
Exception: Heat Stack create failed.
DEBUG: openstackclient.shell clean_up DeployOvercloud
DEBUG: openstackclient.shell got an error: Heat Stack create failed.
ERROR: openstackclient.shell Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/openstackclient/shell.py", line 176, in run
    return super(OpenStackShell, self).run(argv)
  File "/usr/lib/python2.7/site-packages/cliff/app.py", line 230, in run
    result = self.run_subcommand(remainder)
  File "/usr/lib/python2.7/site-packages/cliff/app.py", line 295, in run_subcommand
    result = cmd.run(parsed_args)
  File "/usr/lib/python2.7/site-packages/cliff/command.py", line 53, in run
    self.take_action(parsed_args)
  File "/usr/lib/python2.7/site-packages/rdomanager_oscplugin/v1/overcloud_deploy.py", line 1260, in take_action
    self._deploy_tripleo_heat_templates(stack, parsed_args)
  File "/usr/lib/python2.7/site-packages/rdomanager_oscplugin/v1/overcloud_deploy.py", line 537, in _deploy_tripleo_heat_templates
    environments, parsed_args.timeout)
  File "/usr/lib/python2.7/site-packages/rdomanager_oscplugin/v1/overcloud_deploy.py", line 450, in _heat_deploy
    raise Exception("Heat Stack create failed.")
Exception: Heat Stack create failed.