Comment 21 for bug 1873091

Verified bionic-ussuri with the following output:

# apt-cache policy neutron-common
neutron-common:
  Installed: 2:16.4.2-0ubuntu5~cloud0
  Candidate: 2:16.4.2-0ubuntu5~cloud0
  Version table:
 *** 2:16.4.2-0ubuntu5~cloud0 500
        500 http://ubuntu-cloud.archive.canonical.com/ubuntu bionic-proposed/ussuri/main amd64 Packages
        100 /var/lib/dpkg/status
     2:12.1.1-0ubuntu8 500
        500 http://nova.clouds.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
     2:12.0.1-0ubuntu1 500
        500 http://nova.clouds.archive.ubuntu.com/ubuntu bionic/main amd64 Packages

$ juju config neutron-api dns-domain
lp1873091-b-u.stsstack.qa.1ss.

$ openstack network show private -c dns_domain -f value
test.dom1.

$ openstack port show bb4bf3e2-41b8-4d58-b9eb-bb3158fa4785 -c dns_assignment -f value
[{'ip_address': '192.168.21.242', 'hostname': 'jammy-194134', 'fqdn': 'jammy-194134.test.dom1.'}]

# ovn-nbctl list dns
_uuid : 7fc67223-c1ca-49da-954b-3e153bee0d90
external_ids : {ls_name=neutron-2dbb5b2b-5d8a-478a-b61c-2dc9bf5710ba}
records : {"242.21.168.192.in-addr.arpa"=jammy-194134.test.dom1, jammy-194134="192.168.21.242", jammy-194134.test.dom1="192.168.21.242"}

$ openstack recordset list 7380cddc-f111-4df7-932e-bde9e87bd2aa
+--------------------------------------+-------------------------+------+----------------------------------------------------------------------------------------+--------+--------+
| id | name | type | records | status | action |
+--------------------------------------+-------------------------+------+----------------------------------------------------------------------------------------+--------+--------+
| a1fcce9f-34b5-45c6-90ef-9731f7294088 | test.dom1. | SOA | ns1.lp1873091-b-u.stsstack.qa.1ss. dnsmaster.test.dom1. 1673638903 3581 600 86400 3600 | ACTIVE | NONE |
| ca1896a7-89e5-4dfc-8c76-630de82e3389 | test.dom1. | NS | ns1.lp1873091-b-u.stsstack.qa.1ss. | ACTIVE | NONE |
| 758dc8b5-771f-42f5-9b60-78b4b4c3cacc | jammy-194134.test.dom1. | A | 192.168.21.242 | ACTIVE | NONE |
+--------------------------------------+-------------------------+------+----------------------------------------------------------------------------------------+--------+--------+