##### VERIFICATION NOBLE ########
# Without the patch
Create a port, change the vif_type to tap, create a VM using that port.
VM creation fails with:
2026-06-23 11:19:33.527 41625 ERROR nova.virt.libvirt.guest
libvirt.libvirtError: Requested operation is not valid: The tapfe829895-85
interface already exists
# With the patch
1. Enable proposed repository.
2. Install the package with the fix from proposed.
ii nova-api-metadata 3:29.2.0-0ubuntu1.8
all OpenStack Compute - metadata API frontend
ii nova-common 3:29.2.0-0ubuntu1.8
all OpenStack Compute - common files
ii nova-compute 3:29.2.0-0ubuntu1.8
all OpenStack Compute - compute node base
ii nova-compute-kvm 3:29.2.0-0ubuntu1.8
all OpenStack Compute - compute node (KVM)
ii nova-compute-libvirt 3:29.2.0-0ubuntu1.8
all OpenStack Compute - compute node libvirt support
ii python3-nova 3:29.2.0-0ubuntu1.8
all OpenStack Compute Python 3 libraries
3. Create a new port.
$ openstack port create --network 260d347d-13f3-49f1-bcf5-35e05e31c824
my-patched-tap-port
4. Change the vif_type of that port.
UPDATE ml2_port_bindings
SET vif_type = 'tap',
host = 'juju-771c0c-fresh-verify-sru-9',
status = 'ACTIVE'
WHERE port_id = '8f5a0cca-bcbc-4690-a2a8-aaf712b2d47d';
5. Create a VM.
$ openstack server create --flavor m1.small --image cirros --port
8f5a0cca-bcbc-4690-a2a8-aaf712b2d47d --key-name my-key my-patched-tap-vm
6. VM is able to start and is in ACTIVE state.
+-------------------------------------+----------------------------------------------------------+
| Field | Value
|
+-------------------------------------+----------------------------------------------------------+
| OS-DCF:diskConfig | MANUAL
|
| OS-EXT-AZ:availability_zone | nova
|
| OS-EXT-SRV-ATTR:host | juju-771c0c-fresh-verify-sru-9
|
| OS-EXT-SRV-ATTR:hypervisor_hostname | juju-771c0c-fresh-verify-sru-9
|
| OS-EXT-SRV-ATTR:instance_name | instance-00000003
|
| OS-EXT-STS:power_state | Running
|
| OS-EXT-STS:task_state | None
|
| OS-EXT-STS:vm_state | active
|
| OS-SRV-USG:launched_at | 2026-06-23T11:30:29.000000
|
| OS-SRV-USG:terminated_at | None
|
| accessIPv4 |
|
** Tags removed: verification-needed-noble
** Tags added: verification-done-noble
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2033681
Title:
Calico still uses vif type tap and it causes failures with libvirt
9.5.0
To manage notifications about this bug go to:
https://bugs.launchpad.net/cloud-archive/+bug/2033681/+subscriptions
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
