This is likely the reason for the failure, cells v1 doesn't honor that multi-create instance name contract:
https://github.com/openstack/nova/blob/dd87118acc2bf57f235cb287ed0ee12736263ecb/nova/compute/api.py#L1419
This is likely the reason for the failure, cells v1 doesn't honor that multi-create instance name contract:
https:/ /github. com/openstack/ nova/blob/ dd87118acc2bf57 f235cb287ed0ee1 2736263ecb/ nova/compute/ api.py# L1419