+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-02 17:13:09.574 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-02 17:13:09.840 1 INFO cinder.rpc [None req-30cdcbb5-3197-4964-bd10-913d3ea518f2 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-02 17:13:09.842 1 INFO cinder.rpc [None req-30cdcbb5-3197-4964-bd10-913d3ea518f2 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-02 17:13:09.844 1 INFO cinder.rpc [None req-30cdcbb5-3197-4964-bd10-913d3ea518f2 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-02 17:13:09.846 1 INFO cinder.rpc [None req-30cdcbb5-3197-4964-bd10-913d3ea518f2 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-02 17:13:09.849 1 INFO cinder.rpc [None req-30cdcbb5-3197-4964-bd10-913d3ea518f2 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-02 17:13:09.851 1 INFO cinder.rpc [None req-30cdcbb5-3197-4964-bd10-913d3ea518f2 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-02 17:13:09.910 1 WARNING oslo_config.cfg [None req-30cdcbb5-3197-4964-bd10-913d3ea518f2 - - - - - -] 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 17:13:09.911 1 WARNING oslo_config.cfg [None req-30cdcbb5-3197-4964-bd10-913d3ea518f2 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-02 17:13:09.922 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-04-02 17:13:09.946 1 INFO cinder.backup.manager [None req-16d2f303-9fb7-4687-9fa0-1e5c8811e3dc - - - - - -] Cleaning up incomplete backup operations. 2026-04-02 17:13:10.002 1 INFO cinder.keymgr.migration [None req-42168829-bf15-440f-b995-438b1593843d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.