+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-26 10:49:32.411 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-26 10:49:32.697 1 INFO cinder.rpc [None req-965e863d-4c8a-400a-8daf-137bb40f1858 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-26 10:49:32.700 1 INFO cinder.rpc [None req-965e863d-4c8a-400a-8daf-137bb40f1858 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-26 10:49:32.702 1 INFO cinder.rpc [None req-965e863d-4c8a-400a-8daf-137bb40f1858 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-26 10:49:32.705 1 INFO cinder.rpc [None req-965e863d-4c8a-400a-8daf-137bb40f1858 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-26 10:49:32.708 1 INFO cinder.rpc [None req-965e863d-4c8a-400a-8daf-137bb40f1858 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-26 10:49:32.710 1 INFO cinder.rpc [None req-965e863d-4c8a-400a-8daf-137bb40f1858 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-26 10:49:32.785 1 WARNING oslo_config.cfg [None req-965e863d-4c8a-400a-8daf-137bb40f1858 - - - - - -] 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.
2026-07-26 10:49:32.786 1 WARNING oslo_config.cfg [None req-965e863d-4c8a-400a-8daf-137bb40f1858 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-26 10:49:32.798 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-07-26 10:49:32.823 1 INFO cinder.backup.manager [None req-fa5e692c-3b1a-4d51-a149-9961d298cf25 - - - - - -] Cleaning up incomplete backup operations.
2026-07-26 10:49:32.908 1 INFO cinder.keymgr.migration [None req-1fbe6e88-cfba-48bf-9249-ee2edaaf5f3b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.