Dear Experts, I have deployed victoria with controller+compute, and 2 extra compute using packstack. Everything is working fine but many times it shows the error as mentioned in the subject line. The log files of nova are attached herewith. Kindly help -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-discuss/attachments/20210810/f4081e5c/attachment-0001.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: nova-conductor.log Type: application/octet-stream Size: 6822514 bytes Desc: not available URL: <http://lists.openstack.org/pipermail/openstack-discuss/attachments/20210810/f4081e5c/attachment-0003.obj> -------------- next part -------------- A non-text attachment was scrubbed... Name: nova-compute.log Type: application/octet-stream Size: 7768583 bytes Desc: not available URL: <http://lists.openstack.org/pipermail/openstack-discuss/attachments/20210810/f4081e5c/attachment-0004.obj> -------------- next part -------------- A non-text attachment was scrubbed... Name: nova-api.log Type: application/octet-stream Size: 9107883 bytes Desc: not available URL: <http://lists.openstack.org/pipermail/openstack-discuss/attachments/20210810/f4081e5c/attachment-0005.obj>