openstack-ansible/releasenotes/notes/metadata-proxy-cleanup-eed6...

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---
fixes:
- When upgrading it is possible for an old ``neutron-ns-metadata-proxy``
process to remain running in memory. If this happens the old version of
the process can cause unexpected issues in a production environment. To
fix this a task has been added to the os_neutron role that will execute
a process lookup and kill any ``neutron-ns-metadata-proxy`` processes that
are not running the current release tag. Once the old processes are
removed the metadata agent running will respawn everything needed within
60 seconds.