+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-05 11:49:25.439 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-05 11:49:25.715 1 INFO cinder.rpc [None req-5033e226-1bc9-4b3e-81f1-ec7366d24f56 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-05 11:49:25.718 1 INFO cinder.rpc [None req-5033e226-1bc9-4b3e-81f1-ec7366d24f56 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-05 11:49:25.719 1 INFO cinder.rpc [None req-5033e226-1bc9-4b3e-81f1-ec7366d24f56 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-05 11:49:25.721 1 INFO cinder.rpc [None req-5033e226-1bc9-4b3e-81f1-ec7366d24f56 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-05 11:49:25.724 1 INFO cinder.rpc [None req-5033e226-1bc9-4b3e-81f1-ec7366d24f56 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-05 11:49:25.726 1 INFO cinder.rpc [None req-5033e226-1bc9-4b3e-81f1-ec7366d24f56 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-05 11:49:25.781 1 WARNING oslo_config.cfg [None req-5033e226-1bc9-4b3e-81f1-ec7366d24f56 - - - - - -] 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. 2026-05-05 11:49:25.781 1 WARNING oslo_config.cfg [None req-5033e226-1bc9-4b3e-81f1-ec7366d24f56 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-05 11:49:25.790 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-05 11:49:25.813 1 INFO cinder.backup.manager [None req-f3fa91d9-c133-47ef-9d57-135c8737c614 - - - - - -] Cleaning up incomplete backup operations. 2026-05-05 11:49:25.874 1 INFO cinder.keymgr.migration [None req-b98e99db-f673-4f31-a0d6-6218c7bcd58e - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.