+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-19 04:29:01.977 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-19 04:29:02.251 1 INFO cinder.rpc [None req-d6e17872-be4d-459c-ac7c-08b7e462dde7 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-19 04:29:02.253 1 INFO cinder.rpc [None req-d6e17872-be4d-459c-ac7c-08b7e462dde7 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-19 04:29:02.256 1 INFO cinder.rpc [None req-d6e17872-be4d-459c-ac7c-08b7e462dde7 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-19 04:29:02.258 1 INFO cinder.rpc [None req-d6e17872-be4d-459c-ac7c-08b7e462dde7 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-19 04:29:02.261 1 INFO cinder.rpc [None req-d6e17872-be4d-459c-ac7c-08b7e462dde7 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-19 04:29:02.263 1 INFO cinder.rpc [None req-d6e17872-be4d-459c-ac7c-08b7e462dde7 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-19 04:29:02.341 1 WARNING oslo_config.cfg [None req-d6e17872-be4d-459c-ac7c-08b7e462dde7 - - - - - -] 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.
2026-05-19 04:29:02.344 1 WARNING oslo_config.cfg [None req-d6e17872-be4d-459c-ac7c-08b7e462dde7 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-19 04:29:02.358 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-05-19 04:29:02.387 1 INFO cinder.backup.manager [None req-8312513e-26ec-4299-b498-a45eea3e6f27 - - - - - -] Cleaning up incomplete backup operations.
2026-05-19 04:29:02.455 1 INFO cinder.keymgr.migration [None req-fa2bf697-fcc8-46af-aabc-9b76dd93801a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.