Just wanted to add info on my ml2/ovs deployment, here are the two routers and the instance info. Sorry for the wrapping.

$ openstack router show router1
+-------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field                   | Value                                                                                                                                                                                                                                                              |
+-------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| admin_state_up          | UP                                                                                                                                                                                                                                                                 |
| availability_zone_hints |                                                                                                                                                                                                                                                                    |
| availability_zones      | nova                                                                                                                                                                                                                                                               |
| created_at              | 2024-02-16T16:00:30Z                                                                                                                                                                                                                                               |
| description             |                                                                                                                                                                                                                                                                    |
| enable_ndp_proxy        | None                                                                                                                                                                                                                                                               |
| external_gateway_info   | {"network_id": "f472eb6f-c386-4e21-b601-45af4f30d0f1", "external_fixed_ips": [{"subnet_id": "eeb80f5c-79f2-4097-b5e7-54362a45e3cc", "ip_address": "172.24.4.172"}, {"subnet_id": "80f89407-a55a-43c2-9057-5742e79074b4", "ip_address": "2001:db8::3b9"}],          |
|                         | "enable_snat": true}                                                                                                                                                                                                                                               |
| flavor_id               | None                                                                                                                                                                                                                                                               |
| id                      | 88534f12-a6e2-4ee2-9535-2b20e9fe2c22                                                                                                                                                                                                                               |
| interfaces_info         | [{"port_id": "39b0df38-05c5-4047-8550-f0791fa0ba3f", "ip_address": "fd87:4bf8:f6a8::1", "subnet_id": "d06ddf60-953b-4612-9e7b-25be42083bb0"}, {"port_id": "b4f00adf-7e7f-4fd1-ad8a-8557f30fdb46", "ip_address": "10.0.0.1", "subnet_id":                           |
|                         | "fcf1cc9d-cb61-4a41-95fb-2ca0ce0fad05"}]                                                                                                                                                                                                                           |
| name                    | router1                                                                                                                                                                                                                                                            |
| project_id              | c0101f76d7434045b1d0dc0bbec91a1a                                                                                                                                                                                                                                   |
| revision_number         | 7                                                                                                                                                                                                                                                                  |
| routes                  | destination='10.0.0.64/26', gateway='10.0.0.62'                                                                                                                                                                                                                    |
| status                  | ACTIVE                                                                                                                                                                                                                                                             |
| tags                    |                                                                                                                                                                                                                                                                    |
| tenant_id               | c0101f76d7434045b1d0dc0bbec91a1a                                                                                                                                                                                                                                   |
| updated_at              | 2024-02-16T16:44:30Z                                                                                                                                                                                                                                               |
+-------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+


$ openstack router show router-nested
+-------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field                   | Value                                                                                                                                                                                                                                                              |
+-------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| admin_state_up          | UP                                                                                                                                                                                                                                                                 |
| availability_zone_hints |                                                                                                                                                                                                                                                                    |
| availability_zones      | nova                                                                                                                                                                                                                                                               |
| created_at              | 2024-02-16T16:43:44Z                                                                                                                                                                                                                                               |
| description             |                                                                                                                                                                                                                                                                    |
| enable_ndp_proxy        | None                                                                                                                                                                                                                                                               |
| external_gateway_info   | null                                                                                                                                                                                                                                                               |
| flavor_id               | None                                                                                                                                                                                                                                                               |
| id                      | 73ce5997-1a90-4207-9ce0-e431eb967c00                                                                                                                                                                                                                               |
| interfaces_info         | [{"port_id": "9e13289b-3ff0-4dab-b75f-8475aea99d45", "ip_address": "10.0.0.65", "subnet_id": "1b1830c6-2740-4184-aab8-c7b96377a2aa"}, {"port_id": "ddead887-d5d3-405f-a737-dc4a3a3b1694", "ip_address": "10.0.0.62", "subnet_id":                                  |
|                         | "fcf1cc9d-cb61-4a41-95fb-2ca0ce0fad05"}, {"port_id": "ddead887-d5d3-405f-a737-dc4a3a3b1694", "ip_address": "fd87:4bf8:f6a8:0:f816:3eff:fef7:1db8", "subnet_id": "d06ddf60-953b-4612-9e7b-25be42083bb0"}]                                                           |
| name                    | router-nested                                                                                                                                                                                                                                                      |
| project_id              | c0101f76d7434045b1d0dc0bbec91a1a                                                                                                                                                                                                                                   |
| revision_number         | 4                                                                                                                                                                                                                                                                  |
| routes                  | destination='0.0.0.0/0', gateway='10.0.0.1'                                                                                                                                                                                                                        |
| status                  | ACTIVE                                                                                                                                                                                                                                                             |
| tags                    |                                                                                                                                                                                                                                                                    |
| tenant_id               | c0101f76d7434045b1d0dc0bbec91a1a                                                                                                                                                                                                                                   |
| updated_at              | 2024-02-16T16:44:36Z                                                                                                                                                                                                                                               |
+-------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

$ openstack server list
+--------------------------------------+--------------+--------+----------------------------------+--------------------------+---------+
| ID                                   | Name         | Status | Networks                         | Image                    | Flavor  |
+--------------------------------------+--------------+--------+----------------------------------+--------------------------+---------+
| 073e51d6-9cde-49ac-b934-6f4bea985d13 | test_server1 | ACTIVE | private-network-nested=10.0.0.77 | cirros-0.6.2-x86_64-disk | m1.tiny |
+--------------------------------------+--------------+--------+----------------------------------+--------------------------+---------+