+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-28 20:30:49.435 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-28 20:30:49.722 1 INFO cinder.rpc [None req-308d845d-a6d9-430b-84fa-56fe3e56f35b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-28 20:30:49.724 1 INFO cinder.rpc [None req-308d845d-a6d9-430b-84fa-56fe3e56f35b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-06-28 20:30:49.726 1 INFO cinder.rpc [None req-308d845d-a6d9-430b-84fa-56fe3e56f35b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-28 20:30:49.729 1 INFO cinder.rpc [None req-308d845d-a6d9-430b-84fa-56fe3e56f35b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-06-28 20:30:49.731 1 INFO cinder.rpc [None req-308d845d-a6d9-430b-84fa-56fe3e56f35b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-28 20:30:49.734 1 INFO cinder.rpc [None req-308d845d-a6d9-430b-84fa-56fe3e56f35b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-28 20:30:49.794 1 WARNING oslo_config.cfg [None req-308d845d-a6d9-430b-84fa-56fe3e56f35b - - - - - -] 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.
2026-06-28 20:30:49.795 1 WARNING oslo_config.cfg [None req-308d845d-a6d9-430b-84fa-56fe3e56f35b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-28 20:30:49.804 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-06-28 20:30:49.826 1 INFO cinder.backup.manager [None req-80b6d5f7-1ea4-47d9-9672-33f13479e509 - - - - - -] Cleaning up incomplete backup operations.
2026-06-28 20:30:49.884 1 INFO cinder.keymgr.migration [None req-c813e3a8-71f4-43dc-8fb5-5e4655f0a7ce - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.