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1. Pick the first node, and do one of the following:
   1. run puppet with the victoria modules/tags, Run apt-get autoremove && apt-get dist-upgrade
   2. Reinstall the node with victoria modules/tags.
2. Run neutron-db-manage upgrade --expand
3. Run neutron-db-manage --subproject neutron-fwaas upgrade head
4. Restart neutron-server.service and rerun puppet
5. Upgrade the rest of the API-nodes (repeating step 1, and 4)
6. Stop all neutron-server processes for a moment, and run:
   
   1. neutron-db-manage upgrade --contract
7. Re-start the neutron-server processes

BGP-agents

Either you simply reinstall the node with victoria modules/tags; or you follow the following list:

1. Run puppet with the victoria modules/tags
2. Run apt dist-upgrade
3. Rerun puppet and restart the service
   1. systemctl restart neutron-bgp-dragent.service

   2. or simply reboot

Network-nodes

Either you simply reinstall the node with victoria modules/tags; or you follow the following list:

1. Run puppet with the victoria modules/tags
2. Run apt dist-upgrade
3. Rerun puppet and restart the service (or simply reboot the host).
   1. systemctl restart ovsdb-server
   2. systemctl restart neutron-dhcp-agent.service neutron-l3-agent.service neutron-metadata-agent.service neutron-openvswitch-agent.service neutron-ovs-cleanup.service
4. Verify that routers on the node actually work.