+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-12 22:07:33.673 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-12 22:07:33.956 1 INFO cinder.rpc [None req-c01eaca8-c602-4e72-bea8-bdb138f05475 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-12 22:07:33.959 1 INFO cinder.rpc [None req-c01eaca8-c602-4e72-bea8-bdb138f05475 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-12 22:07:33.962 1 INFO cinder.rpc [None req-c01eaca8-c602-4e72-bea8-bdb138f05475 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-12 22:07:33.965 1 INFO cinder.rpc [None req-c01eaca8-c602-4e72-bea8-bdb138f05475 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-12 22:07:33.976 1 INFO cinder.rpc [None req-c01eaca8-c602-4e72-bea8-bdb138f05475 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-12 22:07:33.983 1 INFO cinder.rpc [None req-c01eaca8-c602-4e72-bea8-bdb138f05475 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-12 22:07:34.051 1 WARNING oslo_config.cfg [None req-c01eaca8-c602-4e72-bea8-bdb138f05475 - - - - - -] 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. 2026-03-12 22:07:34.052 1 WARNING oslo_config.cfg [None req-c01eaca8-c602-4e72-bea8-bdb138f05475 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-12 22:07:34.060 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-03-12 22:07:34.085 1 INFO cinder.backup.manager [None req-c019381b-f025-4e55-a5f2-9fc12b55cb2c - - - - - -] Cleaning up incomplete backup operations. 2026-03-12 22:07:34.148 1 INFO cinder.keymgr.migration [None req-8afb2be5-5faf-42e7-8b84-83ab102cf3ae - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.