+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-02 17:17:13.307 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-02 17:17:13.585 1 INFO cinder.rpc [None req-c409ad8d-4c9a-4288-ae7e-02f7a3ad74e3 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-02 17:17:13.588 1 INFO cinder.rpc [None req-c409ad8d-4c9a-4288-ae7e-02f7a3ad74e3 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-02 17:17:13.590 1 INFO cinder.rpc [None req-c409ad8d-4c9a-4288-ae7e-02f7a3ad74e3 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-02 17:17:13.592 1 INFO cinder.rpc [None req-c409ad8d-4c9a-4288-ae7e-02f7a3ad74e3 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-02 17:17:13.596 1 INFO cinder.rpc [None req-c409ad8d-4c9a-4288-ae7e-02f7a3ad74e3 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-02 17:17:13.599 1 INFO cinder.rpc [None req-c409ad8d-4c9a-4288-ae7e-02f7a3ad74e3 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-02 17:17:13.665 1 WARNING oslo_config.cfg [None req-c409ad8d-4c9a-4288-ae7e-02f7a3ad74e3 - - - - - -] 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. 2026-04-02 17:17:13.667 1 WARNING oslo_config.cfg [None req-c409ad8d-4c9a-4288-ae7e-02f7a3ad74e3 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-02 17:17:13.676 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-04-02 17:17:13.699 1 INFO cinder.backup.manager [None req-7839a216-ae7b-4aa6-8219-692cfaa99467 - - - - - -] Cleaning up incomplete backup operations. 2026-04-02 17:17:13.762 1 INFO cinder.keymgr.migration [None req-197efda1-724d-45d7-86e7-d153bcf66c56 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.