+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-12 16:57:54.045 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-12 16:57:54.317 1 INFO cinder.rpc [None req-d8eab010-509b-4b34-ae7d-1704bd64d46e - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-12 16:57:54.319 1 INFO cinder.rpc [None req-d8eab010-509b-4b34-ae7d-1704bd64d46e - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-12 16:57:54.321 1 INFO cinder.rpc [None req-d8eab010-509b-4b34-ae7d-1704bd64d46e - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-12 16:57:54.324 1 INFO cinder.rpc [None req-d8eab010-509b-4b34-ae7d-1704bd64d46e - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-12 16:57:54.326 1 INFO cinder.rpc [None req-d8eab010-509b-4b34-ae7d-1704bd64d46e - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-12 16:57:54.329 1 INFO cinder.rpc [None req-d8eab010-509b-4b34-ae7d-1704bd64d46e - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-12 16:57:54.395 1 WARNING oslo_config.cfg [None req-d8eab010-509b-4b34-ae7d-1704bd64d46e - - - - - -] 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. 2026-05-12 16:57:54.396 1 WARNING oslo_config.cfg [None req-d8eab010-509b-4b34-ae7d-1704bd64d46e - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-12 16:57:54.405 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-12 16:57:54.428 1 INFO cinder.backup.manager [None req-cc8572e7-2e2e-459d-83a3-f658ba7e2852 - - - - - -] Cleaning up incomplete backup operations. 2026-05-12 16:57:54.491 1 INFO cinder.keymgr.migration [None req-2afd65dd-54bb-40fd-99fa-d2361769c80a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.