+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-06 05:31:13.558 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-06 05:31:13.837 1 INFO cinder.rpc [None req-da1d5814-d5db-4110-b36f-e1f4624e2022 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-06 05:31:13.840 1 INFO cinder.rpc [None req-da1d5814-d5db-4110-b36f-e1f4624e2022 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-06 05:31:13.842 1 INFO cinder.rpc [None req-da1d5814-d5db-4110-b36f-e1f4624e2022 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-06 05:31:13.844 1 INFO cinder.rpc [None req-da1d5814-d5db-4110-b36f-e1f4624e2022 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-06 05:31:13.847 1 INFO cinder.rpc [None req-da1d5814-d5db-4110-b36f-e1f4624e2022 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-06 05:31:13.850 1 INFO cinder.rpc [None req-da1d5814-d5db-4110-b36f-e1f4624e2022 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-06 05:31:13.920 1 WARNING oslo_config.cfg [None req-da1d5814-d5db-4110-b36f-e1f4624e2022 - - - - - -] 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. 2026-06-06 05:31:13.921 1 WARNING oslo_config.cfg [None req-da1d5814-d5db-4110-b36f-e1f4624e2022 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-06 05:31:13.930 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-06-06 05:31:13.962 1 INFO cinder.backup.manager [None req-f3793968-f5b8-440c-a0fc-73309674b794 - - - - - -] Cleaning up incomplete backup operations. 2026-06-06 05:31:14.004 1 INFO cinder.keymgr.migration [None req-75466a9e-0658-469e-9cb0-33f28fd6ca6f - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.