+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-26 06:18:02.482 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-26 06:18:02.762 1 INFO cinder.rpc [None req-db2aea9b-facf-42c6-aa97-3acdb283f0c2 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-26 06:18:02.766 1 INFO cinder.rpc [None req-db2aea9b-facf-42c6-aa97-3acdb283f0c2 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-26 06:18:02.769 1 INFO cinder.rpc [None req-db2aea9b-facf-42c6-aa97-3acdb283f0c2 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-26 06:18:02.771 1 INFO cinder.rpc [None req-db2aea9b-facf-42c6-aa97-3acdb283f0c2 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-26 06:18:02.774 1 INFO cinder.rpc [None req-db2aea9b-facf-42c6-aa97-3acdb283f0c2 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-26 06:18:02.777 1 INFO cinder.rpc [None req-db2aea9b-facf-42c6-aa97-3acdb283f0c2 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-26 06:18:02.838 1 WARNING oslo_config.cfg [None req-db2aea9b-facf-42c6-aa97-3acdb283f0c2 - - - - - -] 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. 2026-05-26 06:18:02.839 1 WARNING oslo_config.cfg [None req-db2aea9b-facf-42c6-aa97-3acdb283f0c2 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-26 06:18:02.848 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-26 06:18:02.871 1 INFO cinder.backup.manager [None req-46156f8e-f405-4a36-b7ab-f24658cafa98 - - - - - -] Cleaning up incomplete backup operations. 2026-05-26 06:18:02.936 1 INFO cinder.keymgr.migration [None req-813b9955-f505-4fec-a4b5-b984241939cd - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.