+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-22 15:06:07.070 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-22 15:06:07.344 1 INFO cinder.rpc [None req-6c181257-a07c-49b5-aa75-5dcd897281a8 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-22 15:06:07.346 1 INFO cinder.rpc [None req-6c181257-a07c-49b5-aa75-5dcd897281a8 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-22 15:06:07.349 1 INFO cinder.rpc [None req-6c181257-a07c-49b5-aa75-5dcd897281a8 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-22 15:06:07.351 1 INFO cinder.rpc [None req-6c181257-a07c-49b5-aa75-5dcd897281a8 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-22 15:06:07.354 1 INFO cinder.rpc [None req-6c181257-a07c-49b5-aa75-5dcd897281a8 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-22 15:06:07.357 1 INFO cinder.rpc [None req-6c181257-a07c-49b5-aa75-5dcd897281a8 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-22 15:06:07.424 1 WARNING oslo_config.cfg [None req-6c181257-a07c-49b5-aa75-5dcd897281a8 - - - - - -] 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 15:06:07.425 1 WARNING oslo_config.cfg [None req-6c181257-a07c-49b5-aa75-5dcd897281a8 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-22 15:06:07.433 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-22 15:06:07.457 1 INFO cinder.backup.manager [None req-b0b9f560-b725-4111-b634-bae54dd39f87 - - - - - -] Cleaning up incomplete backup operations.
2026-08-22 15:06:07.510 1 INFO cinder.keymgr.migration [None req-56ed60be-8c21-448e-a038-18b5b6dacd1a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.