+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-28 09:19:59.921 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-28 09:20:00.195 1 INFO cinder.rpc [None req-a3259118-c139-4c8d-ac4b-5a5c3ea89c04 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-28 09:20:00.198 1 INFO cinder.rpc [None req-a3259118-c139-4c8d-ac4b-5a5c3ea89c04 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-28 09:20:00.200 1 INFO cinder.rpc [None req-a3259118-c139-4c8d-ac4b-5a5c3ea89c04 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-28 09:20:00.202 1 INFO cinder.rpc [None req-a3259118-c139-4c8d-ac4b-5a5c3ea89c04 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-28 09:20:00.205 1 INFO cinder.rpc [None req-a3259118-c139-4c8d-ac4b-5a5c3ea89c04 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-28 09:20:00.208 1 INFO cinder.rpc [None req-a3259118-c139-4c8d-ac4b-5a5c3ea89c04 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-28 09:20:00.270 1 WARNING oslo_config.cfg [None req-a3259118-c139-4c8d-ac4b-5a5c3ea89c04 - - - - - -] 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.
2026-05-28 09:20:00.272 1 WARNING oslo_config.cfg [None req-a3259118-c139-4c8d-ac4b-5a5c3ea89c04 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-28 09:20:00.283 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-05-28 09:20:00.308 1 INFO cinder.backup.manager [None req-3cae3884-7e2e-4566-955e-9367be06c72c - - - - - -] Cleaning up incomplete backup operations.
2026-05-28 09:20:00.370 1 INFO cinder.keymgr.migration [None req-a962248f-d554-4cb3-bb31-6b6f28177b85 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.