+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-15 19:12:26.879 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-15 19:12:27.158 1 INFO cinder.rpc [None req-a618027a-eeda-45db-9988-f321a2aa38eb - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-15 19:12:27.160 1 INFO cinder.rpc [None req-a618027a-eeda-45db-9988-f321a2aa38eb - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-15 19:12:27.162 1 INFO cinder.rpc [None req-a618027a-eeda-45db-9988-f321a2aa38eb - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-15 19:12:27.164 1 INFO cinder.rpc [None req-a618027a-eeda-45db-9988-f321a2aa38eb - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-15 19:12:27.169 1 INFO cinder.rpc [None req-a618027a-eeda-45db-9988-f321a2aa38eb - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-15 19:12:27.171 1 INFO cinder.rpc [None req-a618027a-eeda-45db-9988-f321a2aa38eb - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-15 19:12:27.239 1 WARNING oslo_config.cfg [None req-a618027a-eeda-45db-9988-f321a2aa38eb - - - - - -] 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. 2026-04-15 19:12:27.240 1 WARNING oslo_config.cfg [None req-a618027a-eeda-45db-9988-f321a2aa38eb - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-15 19:12:27.250 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-15 19:12:27.278 1 INFO cinder.backup.manager [None req-37dde77d-9070-4426-ad68-f93d28a73a80 - - - - - -] Cleaning up incomplete backup operations. 2026-04-15 19:12:27.348 1 INFO cinder.keymgr.migration [None req-1a9f2fc9-d9e0-416e-8330-b9c88c568d43 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.