+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-10-03 09:44:36.158 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-10-03 09:44:36.419 1 INFO cinder.rpc [None req-b3f3beb0-62c0-433e-bff6-086bca7d0e79 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-10-03 09:44:36.422 1 INFO cinder.rpc [None req-b3f3beb0-62c0-433e-bff6-086bca7d0e79 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-10-03 09:44:36.424 1 INFO cinder.rpc [None req-b3f3beb0-62c0-433e-bff6-086bca7d0e79 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-10-03 09:44:36.428 1 INFO cinder.rpc [None req-b3f3beb0-62c0-433e-bff6-086bca7d0e79 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-10-03 09:44:36.430 1 INFO cinder.rpc [None req-b3f3beb0-62c0-433e-bff6-086bca7d0e79 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-10-03 09:44:36.432 1 INFO cinder.rpc [None req-b3f3beb0-62c0-433e-bff6-086bca7d0e79 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-10-03 09:44:36.497 1 WARNING oslo_config.cfg [None req-b3f3beb0-62c0-433e-bff6-086bca7d0e79 - - - - - -] 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. 2026-10-03 09:44:36.498 1 WARNING oslo_config.cfg [None req-b3f3beb0-62c0-433e-bff6-086bca7d0e79 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-10-03 09:44:36.507 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.0) 2026-10-03 09:44:36.530 1 INFO cinder.backup.manager [None req-79ee5ec7-d9b2-4585-bf45-2715564ba298 - - - - - -] Cleaning up incomplete backup operations. 2026-10-03 09:44:36.588 1 INFO cinder.keymgr.migration [None req-c8a40b65-e617-4931-9e27-12f7edd5b225 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.