+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-16 09:46:57.426 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-16 09:46:57.709 1 INFO cinder.rpc [None req-0c4f1ad7-1701-4c7e-8cff-810139bd7223 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-16 09:46:57.712 1 INFO cinder.rpc [None req-0c4f1ad7-1701-4c7e-8cff-810139bd7223 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-16 09:46:57.715 1 INFO cinder.rpc [None req-0c4f1ad7-1701-4c7e-8cff-810139bd7223 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-16 09:46:57.717 1 INFO cinder.rpc [None req-0c4f1ad7-1701-4c7e-8cff-810139bd7223 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-16 09:46:57.721 1 INFO cinder.rpc [None req-0c4f1ad7-1701-4c7e-8cff-810139bd7223 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-16 09:46:57.724 1 INFO cinder.rpc [None req-0c4f1ad7-1701-4c7e-8cff-810139bd7223 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-16 09:46:57.788 1 WARNING oslo_config.cfg [None req-0c4f1ad7-1701-4c7e-8cff-810139bd7223 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated for removal (The auth_uri option is deprecated in favor of www_authenticate_uri and will be removed in the S release.). Its value may be silently ignored in the future. 2026-04-16 09:46:57.789 1 WARNING oslo_config.cfg [None req-0c4f1ad7-1701-4c7e-8cff-810139bd7223 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-16 09:46:57.797 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-16 09:46:57.822 1 INFO cinder.backup.manager [None req-bb3d8db7-8fd3-47a9-b9c8-bbc0a3f53da9 - - - - - -] Cleaning up incomplete backup operations. 2026-04-16 09:46:57.897 1 INFO cinder.keymgr.migration [None req-0cd993b4-6d6a-48d4-9235-30734c1bd948 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.