[Bug 1859649] Re: neutron 2:14.0.3-0ubuntu1~cloud0 and 2:14.0.0-0ubuntu1.1~cloud0 not compatible

[Felipe Reyes]

taking a look closer, this could have happened since the neutron-gateway
(server side) had an older version that is not aware of 1.5 objects,
while neutron-ovs-agent (client side) requested a 1.5 versioned object,
the backwards compatibility layer is meant to be used the other way
around where the server is aware of newer versions while the client is
not, so the server can remove fields from the response to downgrade the
object and hand back a compatible one.

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Title:
  neutron 2:14.0.3-0ubuntu1~cloud0 and 2:14.0.0-0ubuntu1.1~cloud0 not
  compatible

Status in neutron package in Ubuntu:
  Confirmed

Bug description:
  Hi,

  Not entirely sure why, but if a cloud has services running these 2
  versions of neutron (2:14.0.3-0ubuntu1~cloud0 and
  2:14.0.0-0ubuntu1.1~cloud0), networking is basically broken until
  everything is running 2:14.0.3-0ubuntu1~cloud0.

  Which causes networking disruption when not all nodes are upgraded at
  the same time.

  Thanks

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