+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-07 09:07:32.441 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-07 09:07:32.663 1 INFO cinder.rpc [None req-ad7dcbdd-322d-4c83-8bed-8376236fc642 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-07 09:07:32.666 1 INFO cinder.rpc [None req-ad7dcbdd-322d-4c83-8bed-8376236fc642 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-07 09:07:32.669 1 INFO cinder.rpc [None req-ad7dcbdd-322d-4c83-8bed-8376236fc642 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-07 09:07:32.672 1 INFO cinder.rpc [None req-ad7dcbdd-322d-4c83-8bed-8376236fc642 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-07 09:07:32.675 1 INFO cinder.rpc [None req-ad7dcbdd-322d-4c83-8bed-8376236fc642 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-07 09:07:32.678 1 INFO cinder.rpc [None req-ad7dcbdd-322d-4c83-8bed-8376236fc642 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-07 09:07:32.732 1 WARNING oslo_config.cfg [None req-ad7dcbdd-322d-4c83-8bed-8376236fc642 - - - - - -] 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 09:07:32.733 1 WARNING oslo_config.cfg [None req-ad7dcbdd-322d-4c83-8bed-8376236fc642 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-07 09:07:32.742 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-07 09:07:32.761 1 INFO cinder.backup.manager [None req-daa66929-79e6-4057-92e3-aed6c7a72a59 - - - - - -] Cleaning up incomplete backup operations.
2026-09-07 09:07:32.930 1 INFO cinder.keymgr.migration [None req-72bd15bc-f206-4137-8ac3-49c90497885f - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.