+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-11 18:06:52.344 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-11 18:06:52.626 1 INFO cinder.rpc [None req-504b5181-3f2b-40b6-8d61-55f95459eff2 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-11 18:06:52.630 1 INFO cinder.rpc [None req-504b5181-3f2b-40b6-8d61-55f95459eff2 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-11 18:06:52.633 1 INFO cinder.rpc [None req-504b5181-3f2b-40b6-8d61-55f95459eff2 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-11 18:06:52.636 1 INFO cinder.rpc [None req-504b5181-3f2b-40b6-8d61-55f95459eff2 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-11 18:06:52.640 1 INFO cinder.rpc [None req-504b5181-3f2b-40b6-8d61-55f95459eff2 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-11 18:06:52.643 1 INFO cinder.rpc [None req-504b5181-3f2b-40b6-8d61-55f95459eff2 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-11 18:06:52.725 1 WARNING oslo_config.cfg [None req-504b5181-3f2b-40b6-8d61-55f95459eff2 - - - - - -] 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. 2026-06-11 18:06:52.727 1 WARNING oslo_config.cfg [None req-504b5181-3f2b-40b6-8d61-55f95459eff2 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-11 18:06:52.737 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-06-11 18:06:52.764 1 INFO cinder.backup.manager [None req-9e0e86cf-f9b1-4f22-937f-b9b6fd59f863 - - - - - -] Cleaning up incomplete backup operations. 2026-06-11 18:06:52.821 1 INFO cinder.keymgr.migration [None req-5aa5a972-c6ba-45be-a8ae-58ec9f8af5f0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.