+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-09 15:56:10.457 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-09 15:56:10.743 1 INFO cinder.rpc [None req-7788fc0e-933f-4f0a-83cb-b27d62f0a14f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-09 15:56:10.746 1 INFO cinder.rpc [None req-7788fc0e-933f-4f0a-83cb-b27d62f0a14f - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-09 15:56:10.748 1 INFO cinder.rpc [None req-7788fc0e-933f-4f0a-83cb-b27d62f0a14f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-09 15:56:10.750 1 INFO cinder.rpc [None req-7788fc0e-933f-4f0a-83cb-b27d62f0a14f - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-09 15:56:10.753 1 INFO cinder.rpc [None req-7788fc0e-933f-4f0a-83cb-b27d62f0a14f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-09 15:56:10.755 1 INFO cinder.rpc [None req-7788fc0e-933f-4f0a-83cb-b27d62f0a14f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-09 15:56:10.819 1 WARNING oslo_config.cfg [None req-7788fc0e-933f-4f0a-83cb-b27d62f0a14f - - - - - -] 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. 2026-03-09 15:56:10.820 1 WARNING oslo_config.cfg [None req-7788fc0e-933f-4f0a-83cb-b27d62f0a14f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-09 15:56:10.828 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-03-09 15:56:10.854 1 INFO cinder.backup.manager [None req-03a9aae3-7c0a-4e18-ae1e-7a860caa8b36 - - - - - -] Cleaning up incomplete backup operations. 2026-03-09 15:56:10.909 1 INFO cinder.keymgr.migration [None req-0ffd4a3c-009c-4336-9a72-6323ff42cb2f - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.