+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-22 11:03:40.974 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-22 11:03:41.254 1 INFO cinder.rpc [None req-aa5a177f-21a9-44b6-99b3-e9f726c6d4db - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-22 11:03:41.259 1 INFO cinder.rpc [None req-aa5a177f-21a9-44b6-99b3-e9f726c6d4db - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-22 11:03:41.262 1 INFO cinder.rpc [None req-aa5a177f-21a9-44b6-99b3-e9f726c6d4db - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-22 11:03:41.264 1 INFO cinder.rpc [None req-aa5a177f-21a9-44b6-99b3-e9f726c6d4db - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-22 11:03:41.266 1 INFO cinder.rpc [None req-aa5a177f-21a9-44b6-99b3-e9f726c6d4db - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-22 11:03:41.268 1 INFO cinder.rpc [None req-aa5a177f-21a9-44b6-99b3-e9f726c6d4db - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-22 11:03:41.341 1 WARNING oslo_config.cfg [None req-aa5a177f-21a9-44b6-99b3-e9f726c6d4db - - - - - -] 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.
2026-08-22 11:03:41.342 1 WARNING oslo_config.cfg [None req-aa5a177f-21a9-44b6-99b3-e9f726c6d4db - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-22 11:03:41.352 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-22 11:03:41.377 1 INFO cinder.backup.manager [None req-48b61cc4-a599-42e8-9172-e61a3512b919 - - - - - -] Cleaning up incomplete backup operations.
2026-08-22 11:03:41.422 1 INFO cinder.keymgr.migration [None req-cc29fb5a-34c2-41e1-9572-d26156622825 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.