+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-27 06:33:24.393 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-27 06:33:24.694 1 INFO cinder.rpc [None req-aaa304b5-fc19-4f45-8b22-602b17ebea81 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-27 06:33:24.697 1 INFO cinder.rpc [None req-aaa304b5-fc19-4f45-8b22-602b17ebea81 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-27 06:33:24.699 1 INFO cinder.rpc [None req-aaa304b5-fc19-4f45-8b22-602b17ebea81 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-27 06:33:24.702 1 INFO cinder.rpc [None req-aaa304b5-fc19-4f45-8b22-602b17ebea81 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-27 06:33:24.705 1 INFO cinder.rpc [None req-aaa304b5-fc19-4f45-8b22-602b17ebea81 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-27 06:33:24.709 1 INFO cinder.rpc [None req-aaa304b5-fc19-4f45-8b22-602b17ebea81 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-27 06:33:24.782 1 WARNING oslo_config.cfg [None req-aaa304b5-fc19-4f45-8b22-602b17ebea81 - - - - - -] 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. 2026-05-27 06:33:24.783 1 WARNING oslo_config.cfg [None req-aaa304b5-fc19-4f45-8b22-602b17ebea81 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-27 06:33:24.792 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-27 06:33:24.820 1 INFO cinder.backup.manager [None req-cb654eb6-8fa4-485b-b008-7807a2e84c9c - - - - - -] Cleaning up incomplete backup operations. 2026-05-27 06:33:24.867 1 INFO cinder.keymgr.migration [None req-203a4fe4-1b82-4ed5-a748-c5e4cebe3b51 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.