+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-28 14:19:13.589 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-28 14:19:13.865 1 INFO cinder.rpc [None req-0b9f6241-5213-43d3-9a5d-6e22c28509b9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-28 14:19:13.868 1 INFO cinder.rpc [None req-0b9f6241-5213-43d3-9a5d-6e22c28509b9 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-28 14:19:13.870 1 INFO cinder.rpc [None req-0b9f6241-5213-43d3-9a5d-6e22c28509b9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-28 14:19:13.873 1 INFO cinder.rpc [None req-0b9f6241-5213-43d3-9a5d-6e22c28509b9 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-28 14:19:13.876 1 INFO cinder.rpc [None req-0b9f6241-5213-43d3-9a5d-6e22c28509b9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-28 14:19:13.879 1 INFO cinder.rpc [None req-0b9f6241-5213-43d3-9a5d-6e22c28509b9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-28 14:19:13.942 1 WARNING oslo_config.cfg [None req-0b9f6241-5213-43d3-9a5d-6e22c28509b9 - - - - - -] 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. 2026-05-28 14:19:13.944 1 WARNING oslo_config.cfg [None req-0b9f6241-5213-43d3-9a5d-6e22c28509b9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-28 14:19:13.954 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-28 14:19:13.977 1 INFO cinder.backup.manager [None req-0f32ea58-e740-48c1-9765-1d095e9f6624 - - - - - -] Cleaning up incomplete backup operations. 2026-05-28 14:19:14.045 1 INFO cinder.keymgr.migration [None req-df7ffa0f-6104-48e9-94f1-fa882a7e6f26 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.