+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-13 03:45:51.084 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-13 03:45:51.313 1 INFO cinder.rpc [None req-a15eb2d3-f830-407b-8a00-646952a838d5 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-13 03:45:51.318 1 INFO cinder.rpc [None req-a15eb2d3-f830-407b-8a00-646952a838d5 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-04-13 03:45:51.322 1 INFO cinder.rpc [None req-a15eb2d3-f830-407b-8a00-646952a838d5 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-13 03:45:51.325 1 INFO cinder.rpc [None req-a15eb2d3-f830-407b-8a00-646952a838d5 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-04-13 03:45:51.329 1 INFO cinder.rpc [None req-a15eb2d3-f830-407b-8a00-646952a838d5 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-13 03:45:51.333 1 INFO cinder.rpc [None req-a15eb2d3-f830-407b-8a00-646952a838d5 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-13 03:45:51.396 1 WARNING oslo_config.cfg [None req-a15eb2d3-f830-407b-8a00-646952a838d5 - - - - - -] 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. 2026-04-13 03:45:51.397 1 WARNING oslo_config.cfg [None req-a15eb2d3-f830-407b-8a00-646952a838d5 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-13 03:45:51.420 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-04-13 03:45:51.442 1 INFO cinder.backup.manager [None req-a2117e60-edc7-48d3-af5a-4834dbd6395f - - - - - -] Cleaning up incomplete backup operations. 2026-04-13 03:45:51.581 1 INFO cinder.keymgr.migration [None req-d3bf94a6-8e91-4807-b289-0d1b2d9c3346 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.