+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-07 00:29:59.385 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-07 00:29:59.635 1 INFO cinder.rpc [None req-54d2033e-97ea-4eaf-95d5-c17a8321b685 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-07 00:29:59.638 1 INFO cinder.rpc [None req-54d2033e-97ea-4eaf-95d5-c17a8321b685 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-04-07 00:29:59.642 1 INFO cinder.rpc [None req-54d2033e-97ea-4eaf-95d5-c17a8321b685 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-07 00:29:59.646 1 INFO cinder.rpc [None req-54d2033e-97ea-4eaf-95d5-c17a8321b685 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-04-07 00:29:59.650 1 INFO cinder.rpc [None req-54d2033e-97ea-4eaf-95d5-c17a8321b685 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-07 00:29:59.653 1 INFO cinder.rpc [None req-54d2033e-97ea-4eaf-95d5-c17a8321b685 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-07 00:29:59.700 1 WARNING oslo_config.cfg [None req-54d2033e-97ea-4eaf-95d5-c17a8321b685 - - - - - -] 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. 2026-04-07 00:29:59.701 1 WARNING oslo_config.cfg [None req-54d2033e-97ea-4eaf-95d5-c17a8321b685 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-07 00:29:59.711 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-04-07 00:29:59.730 1 INFO cinder.backup.manager [None req-918cb1ba-f67c-4612-800b-abbf68c5c4a6 - - - - - -] Cleaning up incomplete backup operations. 2026-04-07 00:29:59.851 1 INFO cinder.keymgr.migration [None req-46274606-8606-4b0e-ba42-26d1ec50d961 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.