+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-07 16:04:22.395 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-07 16:04:22.673 1 INFO cinder.rpc [None req-b86910fa-2c32-4868-b652-0d8d0017a6d3 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-07 16:04:22.676 1 INFO cinder.rpc [None req-b86910fa-2c32-4868-b652-0d8d0017a6d3 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-07 16:04:22.677 1 INFO cinder.rpc [None req-b86910fa-2c32-4868-b652-0d8d0017a6d3 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-07 16:04:22.679 1 INFO cinder.rpc [None req-b86910fa-2c32-4868-b652-0d8d0017a6d3 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-07 16:04:22.681 1 INFO cinder.rpc [None req-b86910fa-2c32-4868-b652-0d8d0017a6d3 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-07 16:04:22.683 1 INFO cinder.rpc [None req-b86910fa-2c32-4868-b652-0d8d0017a6d3 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-07 16:04:22.748 1 WARNING oslo_config.cfg [None req-b86910fa-2c32-4868-b652-0d8d0017a6d3 - - - - - -] 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. 2026-05-07 16:04:22.750 1 WARNING oslo_config.cfg [None req-b86910fa-2c32-4868-b652-0d8d0017a6d3 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-07 16:04:22.758 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-07 16:04:22.783 1 INFO cinder.backup.manager [None req-3fe20a13-0573-4d03-bac3-54d231043e8e - - - - - -] Cleaning up incomplete backup operations. 2026-05-07 16:04:22.862 1 INFO cinder.keymgr.migration [None req-3d128ac7-6b7a-4ca4-ade9-8246a1a80e36 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.