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

[Felipe Reyes]

About "neutron.agent.rpc oslo_messaging.rpc.client.RemoteError: Remote
error: InvalidTargetVersion Invalid target version 1.5"

commit b452c508b62 landed in 14.0.3 which bumped up the Port object's
version to 1.5 making it incompatible with older versions ->
https://github.com/openstack/neutron/commit/b452c508b62

This commit was backported to fix bug 1834484 ([QoS]
qos_plugin._extend_port_resource_request is killing port retrieval
performance)

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https://bugs.launchpad.net/bugs/1859649

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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