+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-08 16:19:32.075 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-08 16:19:32.350 1 INFO cinder.rpc [None req-fe4adcbb-f252-4f97-b1a5-130a44d47f4d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-08 16:19:32.353 1 INFO cinder.rpc [None req-fe4adcbb-f252-4f97-b1a5-130a44d47f4d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-08 16:19:32.355 1 INFO cinder.rpc [None req-fe4adcbb-f252-4f97-b1a5-130a44d47f4d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-08 16:19:32.358 1 INFO cinder.rpc [None req-fe4adcbb-f252-4f97-b1a5-130a44d47f4d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-08 16:19:32.360 1 INFO cinder.rpc [None req-fe4adcbb-f252-4f97-b1a5-130a44d47f4d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-08 16:19:32.364 1 INFO cinder.rpc [None req-fe4adcbb-f252-4f97-b1a5-130a44d47f4d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-08 16:19:32.420 1 WARNING oslo_config.cfg [None req-fe4adcbb-f252-4f97-b1a5-130a44d47f4d - - - - - -] 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.
2026-09-08 16:19:32.421 1 WARNING oslo_config.cfg [None req-fe4adcbb-f252-4f97-b1a5-130a44d47f4d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-08 16:19:32.429 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-09-08 16:19:32.452 1 INFO cinder.backup.manager [None req-13a7d318-9dff-4e6f-8b47-ab6318eb401b - - - - - -] Cleaning up incomplete backup operations.
2026-09-08 16:19:32.535 1 INFO cinder.keymgr.migration [None req-0e0d8895-8926-48de-9f11-2e704b33b331 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.