+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-02 02:36:37.248 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-02 02:36:37.544 1 INFO cinder.rpc [None req-2af9f475-c767-4d93-9c43-3250aaea6f2f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-02 02:36:37.546 1 INFO cinder.rpc [None req-2af9f475-c767-4d93-9c43-3250aaea6f2f - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-02 02:36:37.548 1 INFO cinder.rpc [None req-2af9f475-c767-4d93-9c43-3250aaea6f2f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-02 02:36:37.551 1 INFO cinder.rpc [None req-2af9f475-c767-4d93-9c43-3250aaea6f2f - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-02 02:36:37.554 1 INFO cinder.rpc [None req-2af9f475-c767-4d93-9c43-3250aaea6f2f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-02 02:36:37.557 1 INFO cinder.rpc [None req-2af9f475-c767-4d93-9c43-3250aaea6f2f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-02 02:36:37.617 1 WARNING oslo_config.cfg [None req-2af9f475-c767-4d93-9c43-3250aaea6f2f - - - - - -] 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 02:36:37.618 1 WARNING oslo_config.cfg [None req-2af9f475-c767-4d93-9c43-3250aaea6f2f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-02 02:36:37.628 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-03-02 02:36:37.654 1 INFO cinder.backup.manager [None req-4bfda462-3086-4fdf-9021-28ba2f9e9a94 - - - - - -] Cleaning up incomplete backup operations. 2026-03-02 02:36:37.709 1 INFO cinder.keymgr.migration [None req-fcb05c43-9ebb-4c24-bfa9-bd708a5c8ec5 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.