+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-19 12:26:23.300 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-19 12:26:23.541 1 INFO cinder.rpc [None req-f9a93986-ed84-4cde-8a1e-7feaf1b80294 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-19 12:26:23.544 1 INFO cinder.rpc [None req-f9a93986-ed84-4cde-8a1e-7feaf1b80294 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-19 12:26:23.546 1 INFO cinder.rpc [None req-f9a93986-ed84-4cde-8a1e-7feaf1b80294 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-19 12:26:23.549 1 INFO cinder.rpc [None req-f9a93986-ed84-4cde-8a1e-7feaf1b80294 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-19 12:26:23.551 1 INFO cinder.rpc [None req-f9a93986-ed84-4cde-8a1e-7feaf1b80294 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-19 12:26:23.555 1 INFO cinder.rpc [None req-f9a93986-ed84-4cde-8a1e-7feaf1b80294 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-19 12:26:23.611 1 WARNING oslo_config.cfg [None req-f9a93986-ed84-4cde-8a1e-7feaf1b80294 - - - - - -] 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. 2026-05-19 12:26:23.613 1 WARNING oslo_config.cfg [None req-f9a93986-ed84-4cde-8a1e-7feaf1b80294 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-19 12:26:23.623 1 INFO cinder.service [-] Starting cinder-backup node (version 22.3.1) 2026-05-19 12:26:23.641 1 INFO cinder.backup.manager [None req-25be6732-89d2-4fb4-8638-7777588432e9 - - - - - -] Cleaning up incomplete backup operations. 2026-05-19 12:26:23.769 1 INFO cinder.keymgr.migration [None req-47bed4df-746c-4367-b508-c410f65cc125 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.