+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-25 09:02:51.974 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-25 09:02:52.251 1 INFO cinder.rpc [None req-2c69aecb-304f-449f-8e51-c02a307bcfcd - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-25 09:02:52.254 1 INFO cinder.rpc [None req-2c69aecb-304f-449f-8e51-c02a307bcfcd - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-25 09:02:52.256 1 INFO cinder.rpc [None req-2c69aecb-304f-449f-8e51-c02a307bcfcd - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-25 09:02:52.260 1 INFO cinder.rpc [None req-2c69aecb-304f-449f-8e51-c02a307bcfcd - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-25 09:02:52.265 1 INFO cinder.rpc [None req-2c69aecb-304f-449f-8e51-c02a307bcfcd - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-25 09:02:52.268 1 INFO cinder.rpc [None req-2c69aecb-304f-449f-8e51-c02a307bcfcd - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-25 09:02:52.330 1 WARNING oslo_config.cfg [None req-2c69aecb-304f-449f-8e51-c02a307bcfcd - - - - - -] 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.
2026-07-25 09:02:52.331 1 WARNING oslo_config.cfg [None req-2c69aecb-304f-449f-8e51-c02a307bcfcd - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-25 09:02:52.340 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-07-25 09:02:52.365 1 INFO cinder.backup.manager [None req-07edaa54-86ab-43a6-bd99-4ddd3c6988da - - - - - -] Cleaning up incomplete backup operations.
2026-07-25 09:02:52.424 1 INFO cinder.keymgr.migration [None req-768cf5f1-7c41-4bfc-95b1-ab7f307e8aad - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.