---
fixes:
  - |
    Fixed an issue where IP allocation for IPv6 stateless subnets would allocate
    on invalid subnets when segments are used. Auto-addressing now filters on
    segment ids when allocating IP addresses. See bugs:
    `#1864225 <https://bugs.launchpad.net/neutron/+bug/1864225>`_,
    `#1864333 <https://bugs.launchpad.net/neutron/+bug/1864333>`_,
    `#1865138 <https://bugs.launchpad.net/neutron/+bug/1865138>`_.