+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-01 19:58:04.066 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-01 19:58:04.340 1 INFO cinder.rpc [None req-92c63607-c516-4a88-b799-22f7a1b5ac5b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-01 19:58:04.343 1 INFO cinder.rpc [None req-92c63607-c516-4a88-b799-22f7a1b5ac5b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-01 19:58:04.346 1 INFO cinder.rpc [None req-92c63607-c516-4a88-b799-22f7a1b5ac5b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-01 19:58:04.350 1 INFO cinder.rpc [None req-92c63607-c516-4a88-b799-22f7a1b5ac5b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-01 19:58:04.353 1 INFO cinder.rpc [None req-92c63607-c516-4a88-b799-22f7a1b5ac5b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-01 19:58:04.356 1 INFO cinder.rpc [None req-92c63607-c516-4a88-b799-22f7a1b5ac5b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-01 19:58:04.421 1 WARNING oslo_config.cfg [None req-92c63607-c516-4a88-b799-22f7a1b5ac5b - - - - - -] 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. 2026-06-01 19:58:04.422 1 WARNING oslo_config.cfg [None req-92c63607-c516-4a88-b799-22f7a1b5ac5b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-01 19:58:04.433 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-06-01 19:58:04.456 1 INFO cinder.backup.manager [None req-39d82998-fa63-4ed7-b22c-6ed45039a13d - - - - - -] Cleaning up incomplete backup operations. 2026-06-01 19:58:04.515 1 INFO cinder.keymgr.migration [None req-072d8659-c2b4-42dd-8571-aae902e11982 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.