+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-19 23:43:32.745 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-19 23:43:33.023 1 INFO cinder.rpc [None req-8893e5b8-afa9-4dfb-8602-fb621c3bd904 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-19 23:43:33.026 1 INFO cinder.rpc [None req-8893e5b8-afa9-4dfb-8602-fb621c3bd904 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-19 23:43:33.028 1 INFO cinder.rpc [None req-8893e5b8-afa9-4dfb-8602-fb621c3bd904 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-19 23:43:33.030 1 INFO cinder.rpc [None req-8893e5b8-afa9-4dfb-8602-fb621c3bd904 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-19 23:43:33.033 1 INFO cinder.rpc [None req-8893e5b8-afa9-4dfb-8602-fb621c3bd904 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-19 23:43:33.035 1 INFO cinder.rpc [None req-8893e5b8-afa9-4dfb-8602-fb621c3bd904 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-19 23:43:33.095 1 WARNING oslo_config.cfg [None req-8893e5b8-afa9-4dfb-8602-fb621c3bd904 - - - - - -] 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.
2026-08-19 23:43:33.096 1 WARNING oslo_config.cfg [None req-8893e5b8-afa9-4dfb-8602-fb621c3bd904 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-19 23:43:33.105 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-19 23:43:33.130 1 INFO cinder.backup.manager [None req-44711f01-ecd6-4c88-a1de-9954853453e0 - - - - - -] Cleaning up incomplete backup operations.
2026-08-19 23:43:33.171 1 INFO cinder.keymgr.migration [None req-96d1de6c-0a1a-45ca-826e-e33e701de6a9 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.