+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-30 18:29:38.048 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-30 18:29:38.320 1 INFO cinder.rpc [None req-25b96ba5-4f36-43c4-a5e0-2476fb6ec820 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-30 18:29:38.323 1 INFO cinder.rpc [None req-25b96ba5-4f36-43c4-a5e0-2476fb6ec820 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-06-30 18:29:38.325 1 INFO cinder.rpc [None req-25b96ba5-4f36-43c4-a5e0-2476fb6ec820 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-30 18:29:38.327 1 INFO cinder.rpc [None req-25b96ba5-4f36-43c4-a5e0-2476fb6ec820 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-06-30 18:29:38.330 1 INFO cinder.rpc [None req-25b96ba5-4f36-43c4-a5e0-2476fb6ec820 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-30 18:29:38.333 1 INFO cinder.rpc [None req-25b96ba5-4f36-43c4-a5e0-2476fb6ec820 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-30 18:29:38.395 1 WARNING oslo_config.cfg [None req-25b96ba5-4f36-43c4-a5e0-2476fb6ec820 - - - - - -] 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.
2026-06-30 18:29:38.396 1 WARNING oslo_config.cfg [None req-25b96ba5-4f36-43c4-a5e0-2476fb6ec820 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-30 18:29:38.405 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-06-30 18:29:38.430 1 INFO cinder.backup.manager [None req-7c9b341e-74c5-472d-a8c2-2d0423382143 - - - - - -] Cleaning up incomplete backup operations.
2026-06-30 18:29:38.490 1 INFO cinder.keymgr.migration [None req-d3cbcf7d-942b-467b-abbf-69b2fe3007e7 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.