+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-24 21:05:36.155 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-24 21:05:36.433 1 INFO cinder.rpc [None req-8c223965-be6f-4e6c-91c2-8b464888b3a6 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-24 21:05:36.437 1 INFO cinder.rpc [None req-8c223965-be6f-4e6c-91c2-8b464888b3a6 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-24 21:05:36.440 1 INFO cinder.rpc [None req-8c223965-be6f-4e6c-91c2-8b464888b3a6 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-24 21:05:36.443 1 INFO cinder.rpc [None req-8c223965-be6f-4e6c-91c2-8b464888b3a6 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-24 21:05:36.448 1 INFO cinder.rpc [None req-8c223965-be6f-4e6c-91c2-8b464888b3a6 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-24 21:05:36.453 1 INFO cinder.rpc [None req-8c223965-be6f-4e6c-91c2-8b464888b3a6 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-24 21:05:36.515 1 WARNING oslo_config.cfg [None req-8c223965-be6f-4e6c-91c2-8b464888b3a6 - - - - - -] 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 21:05:36.517 1 WARNING oslo_config.cfg [None req-8c223965-be6f-4e6c-91c2-8b464888b3a6 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-24 21:05:36.530 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-08-24 21:05:36.553 1 INFO cinder.backup.manager [None req-482bd92b-c3ec-4c59-8211-696696c52d44 - - - - - -] Cleaning up incomplete backup operations.
2026-08-24 21:05:36.764 1 INFO cinder.keymgr.migration [None req-ee262d3b-2e99-4879-9cc9-ac7df3f7eab7 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.