+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-20 12:29:20.678 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-20 12:29:20.988 1 INFO cinder.rpc [None req-62f88842-465f-4da0-97c7-dab2f9c48d63 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-20 12:29:20.991 1 INFO cinder.rpc [None req-62f88842-465f-4da0-97c7-dab2f9c48d63 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-20 12:29:20.993 1 INFO cinder.rpc [None req-62f88842-465f-4da0-97c7-dab2f9c48d63 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-20 12:29:20.995 1 INFO cinder.rpc [None req-62f88842-465f-4da0-97c7-dab2f9c48d63 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-20 12:29:20.998 1 INFO cinder.rpc [None req-62f88842-465f-4da0-97c7-dab2f9c48d63 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-20 12:29:21.000 1 INFO cinder.rpc [None req-62f88842-465f-4da0-97c7-dab2f9c48d63 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-20 12:29:21.062 1 WARNING oslo_config.cfg [None req-62f88842-465f-4da0-97c7-dab2f9c48d63 - - - - - -] 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. 2026-05-20 12:29:21.064 1 WARNING oslo_config.cfg [None req-62f88842-465f-4da0-97c7-dab2f9c48d63 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-20 12:29:21.073 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-20 12:29:21.113 1 INFO cinder.backup.manager [None req-d60d8e3a-dad2-4627-aea1-2d1d5975d7d2 - - - - - -] Cleaning up incomplete backup operations. 2026-05-20 12:29:21.189 1 INFO cinder.keymgr.migration [None req-2ff78e2c-96ab-43d9-b917-876d4a6984de - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.