+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-11 18:22:56.632 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-11 18:22:56.910 1 INFO cinder.rpc [None req-308542a6-76d5-464b-8499-7dc08dffe985 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-11 18:22:56.913 1 INFO cinder.rpc [None req-308542a6-76d5-464b-8499-7dc08dffe985 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-11 18:22:56.915 1 INFO cinder.rpc [None req-308542a6-76d5-464b-8499-7dc08dffe985 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-11 18:22:56.918 1 INFO cinder.rpc [None req-308542a6-76d5-464b-8499-7dc08dffe985 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-11 18:22:56.921 1 INFO cinder.rpc [None req-308542a6-76d5-464b-8499-7dc08dffe985 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-11 18:22:56.923 1 INFO cinder.rpc [None req-308542a6-76d5-464b-8499-7dc08dffe985 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-11 18:22:56.988 1 WARNING oslo_config.cfg [None req-308542a6-76d5-464b-8499-7dc08dffe985 - - - - - -] 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. 2026-05-11 18:22:56.989 1 WARNING oslo_config.cfg [None req-308542a6-76d5-464b-8499-7dc08dffe985 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-11 18:22:56.998 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-11 18:22:57.023 1 INFO cinder.backup.manager [None req-9fb3a3d8-dd69-47aa-b5d2-77b65587e542 - - - - - -] Cleaning up incomplete backup operations. 2026-05-11 18:22:57.081 1 INFO cinder.keymgr.migration [None req-81d9d6e9-330d-4582-a400-10a36b4be517 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.