+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-21 16:00:57.995 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-21 16:00:58.286 1 INFO cinder.rpc [None req-651c66dd-5ab7-42b3-8d61-47884e940478 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-21 16:00:58.289 1 INFO cinder.rpc [None req-651c66dd-5ab7-42b3-8d61-47884e940478 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-21 16:00:58.292 1 INFO cinder.rpc [None req-651c66dd-5ab7-42b3-8d61-47884e940478 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-21 16:00:58.294 1 INFO cinder.rpc [None req-651c66dd-5ab7-42b3-8d61-47884e940478 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-21 16:00:58.297 1 INFO cinder.rpc [None req-651c66dd-5ab7-42b3-8d61-47884e940478 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-21 16:00:58.300 1 INFO cinder.rpc [None req-651c66dd-5ab7-42b3-8d61-47884e940478 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-21 16:00:58.380 1 WARNING oslo_config.cfg [None req-651c66dd-5ab7-42b3-8d61-47884e940478 - - - - - -] 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. 2026-04-21 16:00:58.381 1 WARNING oslo_config.cfg [None req-651c66dd-5ab7-42b3-8d61-47884e940478 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-21 16:00:58.390 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-04-21 16:00:58.417 1 INFO cinder.backup.manager [None req-eb56ddee-7fea-4608-9d90-296bb3517878 - - - - - -] Cleaning up incomplete backup operations. 2026-04-21 16:00:58.485 1 INFO cinder.keymgr.migration [None req-e5aea901-55cc-42f1-9baf-cdf42cc4251a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.