+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-14 23:45:24.276 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-14 23:45:24.559 1 INFO cinder.rpc [None req-0c0c9ffa-048b-4054-9331-980157c8abad - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-14 23:45:24.562 1 INFO cinder.rpc [None req-0c0c9ffa-048b-4054-9331-980157c8abad - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-14 23:45:24.565 1 INFO cinder.rpc [None req-0c0c9ffa-048b-4054-9331-980157c8abad - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-14 23:45:24.568 1 INFO cinder.rpc [None req-0c0c9ffa-048b-4054-9331-980157c8abad - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-14 23:45:24.570 1 INFO cinder.rpc [None req-0c0c9ffa-048b-4054-9331-980157c8abad - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-14 23:45:24.573 1 INFO cinder.rpc [None req-0c0c9ffa-048b-4054-9331-980157c8abad - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-14 23:45:24.633 1 WARNING oslo_config.cfg [None req-0c0c9ffa-048b-4054-9331-980157c8abad - - - - - -] 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.
2026-08-14 23:45:24.635 1 WARNING oslo_config.cfg [None req-0c0c9ffa-048b-4054-9331-980157c8abad - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-14 23:45:24.647 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-08-14 23:45:24.671 1 INFO cinder.backup.manager [None req-6f2cdc8c-927f-4dc2-9ee2-94df1789159b - - - - - -] Cleaning up incomplete backup operations.
2026-08-14 23:45:24.730 1 INFO cinder.keymgr.migration [None req-881ea990-a300-4668-a177-b0bf524f9f34 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.