+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-15 03:07:30.991 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-15 03:07:31.266 1 INFO cinder.rpc [None req-4f91e2a9-68f8-4178-8b6a-97975f063480 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-15 03:07:31.269 1 INFO cinder.rpc [None req-4f91e2a9-68f8-4178-8b6a-97975f063480 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-15 03:07:31.271 1 INFO cinder.rpc [None req-4f91e2a9-68f8-4178-8b6a-97975f063480 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-15 03:07:31.273 1 INFO cinder.rpc [None req-4f91e2a9-68f8-4178-8b6a-97975f063480 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-15 03:07:31.275 1 INFO cinder.rpc [None req-4f91e2a9-68f8-4178-8b6a-97975f063480 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-15 03:07:31.278 1 INFO cinder.rpc [None req-4f91e2a9-68f8-4178-8b6a-97975f063480 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-15 03:07:31.353 1 WARNING oslo_config.cfg [None req-4f91e2a9-68f8-4178-8b6a-97975f063480 - - - - - -] 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.
2026-08-15 03:07:31.354 1 WARNING oslo_config.cfg [None req-4f91e2a9-68f8-4178-8b6a-97975f063480 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-15 03:07:31.364 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-15 03:07:31.387 1 INFO cinder.backup.manager [None req-38792fd4-8c88-4445-85f5-2ab00e3fc822 - - - - - -] Cleaning up incomplete backup operations.
2026-08-15 03:07:31.459 1 INFO cinder.keymgr.migration [None req-c465ceb9-e572-44b9-a835-f7724e94d2fb - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.