+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-03-31 05:21:24.149 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-03-31 05:21:24.390 1 INFO cinder.rpc [None req-b48071f9-f752-4027-95d3-d109f594b933 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-03-31 05:21:24.394 1 INFO cinder.rpc [None req-b48071f9-f752-4027-95d3-d109f594b933 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-03-31 05:21:24.396 1 INFO cinder.rpc [None req-b48071f9-f752-4027-95d3-d109f594b933 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-03-31 05:21:24.400 1 INFO cinder.rpc [None req-b48071f9-f752-4027-95d3-d109f594b933 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-03-31 05:21:24.404 1 INFO cinder.rpc [None req-b48071f9-f752-4027-95d3-d109f594b933 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-03-31 05:21:24.407 1 INFO cinder.rpc [None req-b48071f9-f752-4027-95d3-d109f594b933 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-03-31 05:21:24.461 1 WARNING oslo_config.cfg [None req-b48071f9-f752-4027-95d3-d109f594b933 - - - - - -] 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.
2026-03-31 05:21:24.462 1 WARNING oslo_config.cfg [None req-b48071f9-f752-4027-95d3-d109f594b933 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-03-31 05:21:24.475 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-03-31 05:21:24.495 1 INFO cinder.backup.manager [None req-3f9cab5d-fff6-45b8-bf14-8f889298f59e - - - - - -] Cleaning up incomplete backup operations.
2026-03-31 05:21:24.637 1 INFO cinder.keymgr.migration [None req-ab3e7e67-1673-481a-9fd7-b82238d3b1ef - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.