+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-02-27 18:53:25.975 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-02-27 18:53:26.262 1 INFO cinder.rpc [None req-652905ec-83b7-4d79-8f20-5434de0c934d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-02-27 18:53:26.265 1 INFO cinder.rpc [None req-652905ec-83b7-4d79-8f20-5434de0c934d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-02-27 18:53:26.267 1 INFO cinder.rpc [None req-652905ec-83b7-4d79-8f20-5434de0c934d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-02-27 18:53:26.269 1 INFO cinder.rpc [None req-652905ec-83b7-4d79-8f20-5434de0c934d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-02-27 18:53:26.273 1 INFO cinder.rpc [None req-652905ec-83b7-4d79-8f20-5434de0c934d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-02-27 18:53:26.276 1 INFO cinder.rpc [None req-652905ec-83b7-4d79-8f20-5434de0c934d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-02-27 18:53:26.341 1 WARNING oslo_config.cfg [None req-652905ec-83b7-4d79-8f20-5434de0c934d - - - - - -] 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. 2026-02-27 18:53:26.342 1 WARNING oslo_config.cfg [None req-652905ec-83b7-4d79-8f20-5434de0c934d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-02-27 18:53:26.353 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-02-27 18:53:26.379 1 INFO cinder.backup.manager [None req-6540afd9-6b39-424a-963b-a13156e611c9 - - - - - -] Cleaning up incomplete backup operations. 2026-02-27 18:53:26.439 1 INFO cinder.keymgr.migration [None req-2495b537-362b-4153-b928-a3a85fb877ab - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.