+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-24 21:05:17.922 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-24 21:05:18.177 1 INFO cinder.rpc [None req-c5687b65-8e02-4985-a676-942328ee1272 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-24 21:05:18.182 1 INFO cinder.rpc [None req-c5687b65-8e02-4985-a676-942328ee1272 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-24 21:05:18.185 1 INFO cinder.rpc [None req-c5687b65-8e02-4985-a676-942328ee1272 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-24 21:05:18.189 1 INFO cinder.rpc [None req-c5687b65-8e02-4985-a676-942328ee1272 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-24 21:05:18.193 1 INFO cinder.rpc [None req-c5687b65-8e02-4985-a676-942328ee1272 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-24 21:05:18.199 1 INFO cinder.rpc [None req-c5687b65-8e02-4985-a676-942328ee1272 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-24 21:05:18.269 1 WARNING oslo_config.cfg [None req-c5687b65-8e02-4985-a676-942328ee1272 - - - - - -] 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.
2026-08-24 21:05:18.271 1 WARNING oslo_config.cfg [None req-c5687b65-8e02-4985-a676-942328ee1272 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-24 21:05:18.286 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-08-24 21:05:18.308 1 INFO cinder.backup.manager [None req-ce8a7b27-5d97-441a-b99a-a25ed9fc3113 - - - - - -] Cleaning up incomplete backup operations.
2026-08-24 21:05:18.588 1 INFO cinder.keymgr.migration [None req-07a2951d-42f6-4ae1-8631-84c05075f87d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.