+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-02 17:56:20.892 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-02 17:56:21.178 1 INFO cinder.rpc [None req-70fcfb84-985a-475d-adbc-211e18351359 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-02 17:56:21.181 1 INFO cinder.rpc [None req-70fcfb84-985a-475d-adbc-211e18351359 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-06-02 17:56:21.184 1 INFO cinder.rpc [None req-70fcfb84-985a-475d-adbc-211e18351359 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-02 17:56:21.186 1 INFO cinder.rpc [None req-70fcfb84-985a-475d-adbc-211e18351359 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-06-02 17:56:21.188 1 INFO cinder.rpc [None req-70fcfb84-985a-475d-adbc-211e18351359 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-02 17:56:21.191 1 INFO cinder.rpc [None req-70fcfb84-985a-475d-adbc-211e18351359 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-02 17:56:21.262 1 WARNING oslo_config.cfg [None req-70fcfb84-985a-475d-adbc-211e18351359 - - - - - -] 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.
2026-06-02 17:56:21.263 1 WARNING oslo_config.cfg [None req-70fcfb84-985a-475d-adbc-211e18351359 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-02 17:56:21.272 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-06-02 17:56:21.295 1 INFO cinder.backup.manager [None req-28b89262-09b8-4ff8-adf1-21a63958ec7c - - - - - -] Cleaning up incomplete backup operations.
2026-06-02 17:56:21.365 1 INFO cinder.keymgr.migration [None req-438491e8-de64-48b2-8aea-232d5417c89d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.