+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-23 15:07:55.288 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-23 15:07:55.577 1 INFO cinder.rpc [None req-fd82ae3e-0807-4db9-abdd-607b8f39e290 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-23 15:07:55.580 1 INFO cinder.rpc [None req-fd82ae3e-0807-4db9-abdd-607b8f39e290 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-23 15:07:55.582 1 INFO cinder.rpc [None req-fd82ae3e-0807-4db9-abdd-607b8f39e290 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-23 15:07:55.584 1 INFO cinder.rpc [None req-fd82ae3e-0807-4db9-abdd-607b8f39e290 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-23 15:07:55.587 1 INFO cinder.rpc [None req-fd82ae3e-0807-4db9-abdd-607b8f39e290 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-23 15:07:55.591 1 INFO cinder.rpc [None req-fd82ae3e-0807-4db9-abdd-607b8f39e290 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-23 15:07:55.665 1 WARNING oslo_config.cfg [None req-fd82ae3e-0807-4db9-abdd-607b8f39e290 - - - - - -] 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. 2026-04-23 15:07:55.666 1 WARNING oslo_config.cfg [None req-fd82ae3e-0807-4db9-abdd-607b8f39e290 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-23 15:07:55.674 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-23 15:07:55.700 1 INFO cinder.backup.manager [None req-920eaaa5-2227-4e39-9a94-bb6654ab0f63 - - - - - -] Cleaning up incomplete backup operations. 2026-04-23 15:07:55.769 1 INFO cinder.keymgr.migration [None req-8cf91035-2312-4cac-a7e8-f0523eb20e07 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.