+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-21 05:16:01.112 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-21 05:16:01.378 1 INFO cinder.rpc [None req-944eb3b7-0d8f-406e-baf8-2d27e26166d7 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-21 05:16:01.385 1 INFO cinder.rpc [None req-944eb3b7-0d8f-406e-baf8-2d27e26166d7 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-05-21 05:16:01.390 1 INFO cinder.rpc [None req-944eb3b7-0d8f-406e-baf8-2d27e26166d7 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-21 05:16:01.393 1 INFO cinder.rpc [None req-944eb3b7-0d8f-406e-baf8-2d27e26166d7 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-05-21 05:16:01.397 1 INFO cinder.rpc [None req-944eb3b7-0d8f-406e-baf8-2d27e26166d7 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-21 05:16:01.400 1 INFO cinder.rpc [None req-944eb3b7-0d8f-406e-baf8-2d27e26166d7 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-21 05:16:01.467 1 WARNING oslo_config.cfg [None req-944eb3b7-0d8f-406e-baf8-2d27e26166d7 - - - - - -] 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.
2026-05-21 05:16:01.468 1 WARNING oslo_config.cfg [None req-944eb3b7-0d8f-406e-baf8-2d27e26166d7 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-21 05:16:01.479 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-05-21 05:16:01.498 1 INFO cinder.backup.manager [None req-5a107500-583e-4d52-b4ad-26e537bd10f8 - - - - - -] Cleaning up incomplete backup operations.
2026-05-21 05:16:01.626 1 INFO cinder.keymgr.migration [None req-12c4bd38-de06-4e70-adc9-c6ef28d9c875 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.