+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-16 07:18:34.165 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-16 07:18:34.431 1 INFO cinder.rpc [None req-fd70fa58-f13b-418e-b054-035d1f58a649 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-16 07:18:34.436 1 INFO cinder.rpc [None req-fd70fa58-f13b-418e-b054-035d1f58a649 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-07-16 07:18:34.441 1 INFO cinder.rpc [None req-fd70fa58-f13b-418e-b054-035d1f58a649 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-16 07:18:34.443 1 INFO cinder.rpc [None req-fd70fa58-f13b-418e-b054-035d1f58a649 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-07-16 07:18:34.446 1 INFO cinder.rpc [None req-fd70fa58-f13b-418e-b054-035d1f58a649 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-16 07:18:34.449 1 INFO cinder.rpc [None req-fd70fa58-f13b-418e-b054-035d1f58a649 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-16 07:18:34.503 1 WARNING oslo_config.cfg [None req-fd70fa58-f13b-418e-b054-035d1f58a649 - - - - - -] 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.
2026-07-16 07:18:34.504 1 WARNING oslo_config.cfg [None req-fd70fa58-f13b-418e-b054-035d1f58a649 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-16 07:18:34.516 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-07-16 07:18:34.534 1 INFO cinder.backup.manager [None req-d01c6328-4f1a-4c25-b544-9bc09f3ad06a - - - - - -] Cleaning up incomplete backup operations.
2026-07-16 07:18:34.663 1 INFO cinder.keymgr.migration [None req-c3d3000b-cee7-49f0-ad7b-9fb61abc9587 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.