+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-02 21:57:16.618 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-02 21:57:16.891 1 INFO cinder.rpc [None req-17bda5b8-0470-4d0e-b3b6-d9f625b2f921 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-02 21:57:16.893 1 INFO cinder.rpc [None req-17bda5b8-0470-4d0e-b3b6-d9f625b2f921 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-02 21:57:16.895 1 INFO cinder.rpc [None req-17bda5b8-0470-4d0e-b3b6-d9f625b2f921 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-02 21:57:16.897 1 INFO cinder.rpc [None req-17bda5b8-0470-4d0e-b3b6-d9f625b2f921 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-02 21:57:16.899 1 INFO cinder.rpc [None req-17bda5b8-0470-4d0e-b3b6-d9f625b2f921 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-02 21:57:16.901 1 INFO cinder.rpc [None req-17bda5b8-0470-4d0e-b3b6-d9f625b2f921 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-02 21:57:16.967 1 WARNING oslo_config.cfg [None req-17bda5b8-0470-4d0e-b3b6-d9f625b2f921 - - - - - -] 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 21:57:16.968 1 WARNING oslo_config.cfg [None req-17bda5b8-0470-4d0e-b3b6-d9f625b2f921 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-02 21:57:16.977 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-06-02 21:57:17.001 1 INFO cinder.backup.manager [None req-e4a023e6-5c2e-45c5-a090-204005dfedc0 - - - - - -] Cleaning up incomplete backup operations. 2026-06-02 21:57:17.045 1 INFO cinder.keymgr.migration [None req-cf570c9e-0bce-42f9-a561-c9449ef68ec1 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.