+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-08 16:19:44.963 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-08 16:19:45.247 1 INFO cinder.rpc [None req-9d78f498-ae76-4201-9caf-41a499ed1e8e - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-08 16:19:45.250 1 INFO cinder.rpc [None req-9d78f498-ae76-4201-9caf-41a499ed1e8e - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-08 16:19:45.252 1 INFO cinder.rpc [None req-9d78f498-ae76-4201-9caf-41a499ed1e8e - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-08 16:19:45.254 1 INFO cinder.rpc [None req-9d78f498-ae76-4201-9caf-41a499ed1e8e - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-08 16:19:45.256 1 INFO cinder.rpc [None req-9d78f498-ae76-4201-9caf-41a499ed1e8e - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-08 16:19:45.258 1 INFO cinder.rpc [None req-9d78f498-ae76-4201-9caf-41a499ed1e8e - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-08 16:19:45.314 1 WARNING oslo_config.cfg [None req-9d78f498-ae76-4201-9caf-41a499ed1e8e - - - - - -] 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 16:19:45.315 1 WARNING oslo_config.cfg [None req-9d78f498-ae76-4201-9caf-41a499ed1e8e - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-08 16:19:45.323 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-09-08 16:19:45.346 1 INFO cinder.backup.manager [None req-6fee842d-ea17-47df-a00c-e61b6193f462 - - - - - -] Cleaning up incomplete backup operations.
2026-09-08 16:19:45.401 1 INFO cinder.keymgr.migration [None req-58f22844-7be3-4156-a117-e1da8702ada1 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.