+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-29 01:49:52.852 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-29 01:49:53.121 1 INFO cinder.rpc [None req-6941b6fa-f6dc-4fc5-937a-86255d66d848 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-29 01:49:53.124 1 INFO cinder.rpc [None req-6941b6fa-f6dc-4fc5-937a-86255d66d848 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-29 01:49:53.127 1 INFO cinder.rpc [None req-6941b6fa-f6dc-4fc5-937a-86255d66d848 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-29 01:49:53.129 1 INFO cinder.rpc [None req-6941b6fa-f6dc-4fc5-937a-86255d66d848 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-29 01:49:53.132 1 INFO cinder.rpc [None req-6941b6fa-f6dc-4fc5-937a-86255d66d848 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-29 01:49:53.135 1 INFO cinder.rpc [None req-6941b6fa-f6dc-4fc5-937a-86255d66d848 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-29 01:49:53.195 1 WARNING oslo_config.cfg [None req-6941b6fa-f6dc-4fc5-937a-86255d66d848 - - - - - -] 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. 2026-04-29 01:49:53.196 1 WARNING oslo_config.cfg [None req-6941b6fa-f6dc-4fc5-937a-86255d66d848 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-29 01:49:53.206 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-29 01:49:53.231 1 INFO cinder.backup.manager [None req-932b7a2c-fabf-443c-a8ab-b6b8e3530330 - - - - - -] Cleaning up incomplete backup operations. 2026-04-29 01:49:53.293 1 INFO cinder.keymgr.migration [None req-8761ab30-9c20-4e51-bf44-c64d3550b603 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.