+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-02 02:35:14.169 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-02 02:35:14.448 1 INFO cinder.rpc [None req-271ccecf-6959-45ea-b3d4-89894d76688c - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-02 02:35:14.450 1 INFO cinder.rpc [None req-271ccecf-6959-45ea-b3d4-89894d76688c - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-02 02:35:14.452 1 INFO cinder.rpc [None req-271ccecf-6959-45ea-b3d4-89894d76688c - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-02 02:35:14.454 1 INFO cinder.rpc [None req-271ccecf-6959-45ea-b3d4-89894d76688c - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-02 02:35:14.456 1 INFO cinder.rpc [None req-271ccecf-6959-45ea-b3d4-89894d76688c - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-02 02:35:14.459 1 INFO cinder.rpc [None req-271ccecf-6959-45ea-b3d4-89894d76688c - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-02 02:35:14.524 1 WARNING oslo_config.cfg [None req-271ccecf-6959-45ea-b3d4-89894d76688c - - - - - -] 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. 2026-03-02 02:35:14.525 1 WARNING oslo_config.cfg [None req-271ccecf-6959-45ea-b3d4-89894d76688c - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-02 02:35:14.536 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-03-02 02:35:14.560 1 INFO cinder.backup.manager [None req-bf48b235-238e-4659-8171-d0ed161ceb24 - - - - - -] Cleaning up incomplete backup operations. 2026-03-02 02:35:14.622 1 INFO cinder.keymgr.migration [None req-92634582-950a-4580-8468-1a741ab6bb79 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.