---
features:
  - |
    Adds  api extenstion ``port-mac-address-regenerate``. When passing
    ``'null'`` (``None``) as the ``mac_address`` on port update a converter
    will generate a new mac address that will be assigned to the port.
    `RFE:  #1768690 <https://bugs.launchpad.net/neutron/+bug/1768690>`_.