+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-07 11:19:02.119 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-07 11:19:02.424 1 INFO cinder.rpc [None req-50d7dc8d-4232-484d-9000-0a875cf4198d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-07 11:19:02.430 1 INFO cinder.rpc [None req-50d7dc8d-4232-484d-9000-0a875cf4198d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-07 11:19:02.436 1 INFO cinder.rpc [None req-50d7dc8d-4232-484d-9000-0a875cf4198d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-07 11:19:02.440 1 INFO cinder.rpc [None req-50d7dc8d-4232-484d-9000-0a875cf4198d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-07 11:19:02.448 1 INFO cinder.rpc [None req-50d7dc8d-4232-484d-9000-0a875cf4198d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-07 11:19:02.453 1 INFO cinder.rpc [None req-50d7dc8d-4232-484d-9000-0a875cf4198d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-07 11:19:02.534 1 WARNING oslo_config.cfg [None req-50d7dc8d-4232-484d-9000-0a875cf4198d - - - - - -] 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.
2026-09-07 11:19:02.535 1 WARNING oslo_config.cfg [None req-50d7dc8d-4232-484d-9000-0a875cf4198d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-07 11:19:02.545 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-09-07 11:19:02.570 1 INFO cinder.backup.manager [None req-f4e0e131-bb8f-414c-8668-aa5f781e4cd7 - - - - - -] Cleaning up incomplete backup operations.
2026-09-07 11:19:02.630 1 INFO cinder.keymgr.migration [None req-798a2e3e-3276-4b21-ab91-b69197150a8f - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.