Comment 9 for bug 1626010

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Armando Migliaccio (armando-migliaccio) wrote : Re: Connectivity problem on trunk parent with MAC reuse and openvswitch firewall driver

Bence, thanks a lot for the additional details. In relation to your points:

* if one wants to keep the bring-up logic of VLAN interfaces static (if you reuse the MAC you can have prefab images), and/or
* if one does not have access to the neutron API from inside the instance with the trunk.

Both use cases could be addressed once [1] goes in and we develop nova metadata support; however, one could simply use user-data and inject a setup script at VM boot. You don't need Neutron API access from the guest to achieve this. In fact access should be prevented to avoid exposing a potential attack surface.

[1] https://review.openstack.org/#/c/374388/