---
other:
  - |
    When the ``enable_distributed_routing`` (DVR) configuration option is set
    to ``True`` and tunneling is enabled, the ``arp_responder`` option will
    be forced to ``True`` since it is now required in order for ARP to work
    properly. For more information, see bug
    `1774459 <https://bugs.launchpad.net/neutron/+bug/1774459>`_.