+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-13 18:54:43.110 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-13 18:54:43.384 1 INFO cinder.rpc [None req-8dcbbf00-0c3f-40fe-9f2f-3bde014af55b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-13 18:54:43.391 1 INFO cinder.rpc [None req-8dcbbf00-0c3f-40fe-9f2f-3bde014af55b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-13 18:54:43.395 1 INFO cinder.rpc [None req-8dcbbf00-0c3f-40fe-9f2f-3bde014af55b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-13 18:54:43.398 1 INFO cinder.rpc [None req-8dcbbf00-0c3f-40fe-9f2f-3bde014af55b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-13 18:54:43.401 1 INFO cinder.rpc [None req-8dcbbf00-0c3f-40fe-9f2f-3bde014af55b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-13 18:54:43.404 1 INFO cinder.rpc [None req-8dcbbf00-0c3f-40fe-9f2f-3bde014af55b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-13 18:54:43.464 1 WARNING oslo_config.cfg [None req-8dcbbf00-0c3f-40fe-9f2f-3bde014af55b - - - - - -] 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.
2026-08-13 18:54:43.465 1 WARNING oslo_config.cfg [None req-8dcbbf00-0c3f-40fe-9f2f-3bde014af55b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-13 18:54:43.474 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-08-13 18:54:43.499 1 INFO cinder.backup.manager [None req-b0d24a18-26df-46eb-af8c-21602e6178f1 - - - - - -] Cleaning up incomplete backup operations.
2026-08-13 18:54:43.618 1 INFO cinder.keymgr.migration [None req-f81b9dfa-40e3-41be-8109-e11eb47ff412 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.