---
upgrade:
  - The ``nova interface-attach`` command shows output of its result
    when it is successful.
  - |
    The following methods return a ``NetworkInterface`` object
    instead of a ``Server`` object.

    * The ``interface_attach`` method in the ``novaclient.v2.Server`` class
    * The ``interface_attach`` method in the ``novaclient.v2.ServerManager``
      class