+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-15 11:55:19.109 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-15 11:55:19.332 1 INFO cinder.rpc [None req-fc72c712-ace5-4015-b2dd-f55b8976e6db - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-15 11:55:19.334 1 INFO cinder.rpc [None req-fc72c712-ace5-4015-b2dd-f55b8976e6db - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-15 11:55:19.337 1 INFO cinder.rpc [None req-fc72c712-ace5-4015-b2dd-f55b8976e6db - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-15 11:55:19.340 1 INFO cinder.rpc [None req-fc72c712-ace5-4015-b2dd-f55b8976e6db - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-15 11:55:19.343 1 INFO cinder.rpc [None req-fc72c712-ace5-4015-b2dd-f55b8976e6db - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-15 11:55:19.345 1 INFO cinder.rpc [None req-fc72c712-ace5-4015-b2dd-f55b8976e6db - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-15 11:55:19.401 1 WARNING oslo_config.cfg [None req-fc72c712-ace5-4015-b2dd-f55b8976e6db - - - - - -] 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.
2026-09-15 11:55:19.402 1 WARNING oslo_config.cfg [None req-fc72c712-ace5-4015-b2dd-f55b8976e6db - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-15 11:55:19.411 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-15 11:55:19.430 1 INFO cinder.backup.manager [None req-2daeab7c-fbc8-44b8-95ce-30a6839f5552 - - - - - -] Cleaning up incomplete backup operations.
2026-09-15 11:55:19.621 1 INFO cinder.keymgr.migration [None req-53fd0972-ab20-4e7b-aa83-e07c4961e89a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.