Hello again, this is version Caracal, recently upgraded from Antelope. We're currently facing an issue with pre-created ports. This used to work just fine for years, now we have to delete the port, recreate it and try again. For example, we launch an instance with a pre-created port, notice that something is wrong and delete the instance. Previously, we could just launch a new instance and use the same port-id, but now we get this error: # openstack server create --image <image> --flavor 1 --port d10298ea-6dd9-40af-af7e-507f4d83a8cf test-port4 Port d10298ea-6dd9-40af-af7e-507f4d83a8cf is still in use. (HTTP 409) (Request-ID: req-e6cef8b4-d8af-4312-852b-d44ec92cf27a) I noticed that the device_id was still pointing to the previous instance, so I tried a couple of things to clear the port state, but to no avail. I tried: - openstack port set --device None d10298ea-6dd9-40af-af7e-507f4d83a8cf - openstack port set --device "" d10298ea-6dd9-40af-af7e-507f4d83a8cf and a couple of more set commands. I also don't see any option for port creation to allow reusing a pre-created port. Am I missing something? Thanks! Eugen