+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-09 12:29:16.202 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-09 12:29:16.493 1 INFO cinder.rpc [None req-b0ae59d3-4a6c-43a4-a01f-668080472183 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-09 12:29:16.496 1 INFO cinder.rpc [None req-b0ae59d3-4a6c-43a4-a01f-668080472183 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-09 12:29:16.498 1 INFO cinder.rpc [None req-b0ae59d3-4a6c-43a4-a01f-668080472183 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-09 12:29:16.500 1 INFO cinder.rpc [None req-b0ae59d3-4a6c-43a4-a01f-668080472183 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-09 12:29:16.503 1 INFO cinder.rpc [None req-b0ae59d3-4a6c-43a4-a01f-668080472183 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-09 12:29:16.505 1 INFO cinder.rpc [None req-b0ae59d3-4a6c-43a4-a01f-668080472183 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-09 12:29:16.566 1 WARNING oslo_config.cfg [None req-b0ae59d3-4a6c-43a4-a01f-668080472183 - - - - - -] 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.
2026-04-09 12:29:16.567 1 WARNING oslo_config.cfg [None req-b0ae59d3-4a6c-43a4-a01f-668080472183 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-09 12:29:16.576 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-09 12:29:16.602 1 INFO cinder.backup.manager [None req-514b08af-9ef0-4491-b36f-1c0168a9a54a - - - - - -] Cleaning up incomplete backup operations.
2026-04-09 12:29:16.660 1 INFO cinder.keymgr.migration [None req-ca01ad03-647b-40a1-a08d-338e168cf8fc - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.