+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-22 03:17:05.789 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-22 03:17:06.081 1 INFO cinder.rpc [None req-654769ca-30c3-4254-8900-54e07d592842 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-22 03:17:06.083 1 INFO cinder.rpc [None req-654769ca-30c3-4254-8900-54e07d592842 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-22 03:17:06.085 1 INFO cinder.rpc [None req-654769ca-30c3-4254-8900-54e07d592842 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-22 03:17:06.087 1 INFO cinder.rpc [None req-654769ca-30c3-4254-8900-54e07d592842 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-22 03:17:06.090 1 INFO cinder.rpc [None req-654769ca-30c3-4254-8900-54e07d592842 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-22 03:17:06.092 1 INFO cinder.rpc [None req-654769ca-30c3-4254-8900-54e07d592842 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-22 03:17:06.154 1 WARNING oslo_config.cfg [None req-654769ca-30c3-4254-8900-54e07d592842 - - - - - -] 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.
2026-08-22 03:17:06.155 1 WARNING oslo_config.cfg [None req-654769ca-30c3-4254-8900-54e07d592842 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-22 03:17:06.164 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-22 03:17:06.189 1 INFO cinder.backup.manager [None req-acd80a47-b983-430a-8eab-61b9b7a141d9 - - - - - -] Cleaning up incomplete backup operations.
2026-08-22 03:17:06.239 1 INFO cinder.keymgr.migration [None req-4434b64f-01ff-49f4-a567-e62238538320 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.