---
fixes:
  - |
    For ``network create`` the
    `--default`` option should be only used for external networks.
    After this release, we enforce this scenario. If a users attempts
    to create an internal default network or update a network to be
    internal default, the command will be denied.
    [Bug `1745658 <https://bugs.launchpad.net/bugs/1745658>`_]