+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-10 10:50:30.576 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-10 10:50:30.883 1 INFO cinder.rpc [None req-b8e568a0-3173-457e-a291-b43acdf13f8d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-10 10:50:30.887 1 INFO cinder.rpc [None req-b8e568a0-3173-457e-a291-b43acdf13f8d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-06-10 10:50:30.890 1 INFO cinder.rpc [None req-b8e568a0-3173-457e-a291-b43acdf13f8d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-10 10:50:30.893 1 INFO cinder.rpc [None req-b8e568a0-3173-457e-a291-b43acdf13f8d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-06-10 10:50:30.897 1 INFO cinder.rpc [None req-b8e568a0-3173-457e-a291-b43acdf13f8d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-10 10:50:30.900 1 INFO cinder.rpc [None req-b8e568a0-3173-457e-a291-b43acdf13f8d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-10 10:50:30.982 1 WARNING oslo_config.cfg [None req-b8e568a0-3173-457e-a291-b43acdf13f8d - - - - - -] 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.
2026-06-10 10:50:30.983 1 WARNING oslo_config.cfg [None req-b8e568a0-3173-457e-a291-b43acdf13f8d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-10 10:50:30.991 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-06-10 10:50:31.017 1 INFO cinder.backup.manager [None req-d4f8b238-ad85-4fb4-aa45-09fae756dc49 - - - - - -] Cleaning up incomplete backup operations.
2026-06-10 10:50:31.083 1 INFO cinder.keymgr.migration [None req-ed6762b1-a23e-43e7-8cfe-1af969342213 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.