Comment 5 for bug 1959899

2) reproduced the issue it seems that the nic-tag is missing from the metadata[1]:

[tempest.api.compute.servers.test_device_tagging] Failed to parse metadata: ['volume-tag'] != ['nic-tag', 'volume-tag']

[1] https://009a9b48abdcdef7d56d-ee17e3910737ace57c03e87f1c399184.ssl.cf5.rackcdn.com/827661/1/check/nova-next/180635f/testr_results.html