+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-10 04:27:14.530 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-10 04:27:14.757 1 INFO cinder.rpc [None req-1b35844b-78a6-42d3-99b2-27858322dda6 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-10 04:27:14.760 1 INFO cinder.rpc [None req-1b35844b-78a6-42d3-99b2-27858322dda6 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-10 04:27:14.763 1 INFO cinder.rpc [None req-1b35844b-78a6-42d3-99b2-27858322dda6 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-10 04:27:14.765 1 INFO cinder.rpc [None req-1b35844b-78a6-42d3-99b2-27858322dda6 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-10 04:27:14.771 1 INFO cinder.rpc [None req-1b35844b-78a6-42d3-99b2-27858322dda6 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-10 04:27:14.774 1 INFO cinder.rpc [None req-1b35844b-78a6-42d3-99b2-27858322dda6 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-10 04:27:14.908 1 WARNING oslo_config.cfg [None req-1b35844b-78a6-42d3-99b2-27858322dda6 - - - - - -] 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. 2026-05-10 04:27:14.909 1 WARNING oslo_config.cfg [None req-1b35844b-78a6-42d3-99b2-27858322dda6 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-10 04:27:14.921 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0) 2026-05-10 04:27:14.939 1 INFO cinder.backup.manager [None req-fdf37e4d-8bdc-4828-9feb-007fd91ec9a3 - - - - - -] Cleaning up incomplete backup operations. 2026-05-10 04:27:14.996 1 INFO cinder.keymgr.migration [None req-d5300012-f00e-43ab-9e3c-57665ca2e56b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.