+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-10-26 01:26:50.959 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-10-26 01:26:51.213 1 INFO cinder.rpc [None req-80d3dd27-c325-497b-ab57-50b11bb42b07 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-10-26 01:26:51.215 1 INFO cinder.rpc [None req-80d3dd27-c325-497b-ab57-50b11bb42b07 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-10-26 01:26:51.217 1 INFO cinder.rpc [None req-80d3dd27-c325-497b-ab57-50b11bb42b07 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-10-26 01:26:51.219 1 INFO cinder.rpc [None req-80d3dd27-c325-497b-ab57-50b11bb42b07 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-10-26 01:26:51.221 1 INFO cinder.rpc [None req-80d3dd27-c325-497b-ab57-50b11bb42b07 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-10-26 01:26:51.223 1 INFO cinder.rpc [None req-80d3dd27-c325-497b-ab57-50b11bb42b07 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-10-26 01:26:51.279 1 WARNING oslo_config.cfg [None req-80d3dd27-c325-497b-ab57-50b11bb42b07 - - - - - -] 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. 2026-10-26 01:26:51.280 1 WARNING oslo_config.cfg [None req-80d3dd27-c325-497b-ab57-50b11bb42b07 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-10-26 01:26:51.288 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0) 2026-10-26 01:26:51.311 1 INFO cinder.backup.manager [None req-a522a031-e8da-43b3-ba75-9e347cf87002 - - - - - -] Cleaning up incomplete backup operations. 2026-10-26 01:26:51.352 1 INFO cinder.keymgr.migration [None req-d3a1d0d1-c767-4ac2-85f9-54be85a19b10 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.