Public bug reported:
This is happening on an env using OVN 24.03 (ver.
24.03.2-0ubuntu0.24.04.1~cloud0) , OpenStack jammy-caracal, Ubuntu Jammy
release and NVIDIA BlueField-3 DPU.
When reusing remote-managed ports, ovn-controller stops working.
How to reproduce:
1. create a remote managed port with
"openstack port create --network $net --vnic-type remote-managed -f value -c
id port"
2. Create a VM using it
"openstack server create --port $port_id --flavor $flavor --image $image
--user-data userdata.yaml --config-drive True test-vm"
3. Delete the VM
"openstack server delete test-vm"
4. Create new VM using existing port
"openstack server create --port $port_id --flavor $flavor --image $image
--user-data userdata.yaml --config-drive True test-vm2"
After this ovn-controller stops working and logs
```
2025-09-03T13:17:22.943Z|298514|vif_plug|WARN|Attempt of incompatible change to
existing port detected, please recreate port:
f97481cb-9fde-441a-903c-17e25d11e701
```
Deleting the re-used port fix the issue
** Affects: ovn (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2122319
Title:
OVN can't reuse "remote-managed" ports
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