+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-21 03:28:41.281 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-21 03:28:41.576 1 INFO cinder.rpc [None req-cbaf15b8-aa95-4817-bb02-c0c982da47e4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-21 03:28:41.579 1 INFO cinder.rpc [None req-cbaf15b8-aa95-4817-bb02-c0c982da47e4 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-21 03:28:41.582 1 INFO cinder.rpc [None req-cbaf15b8-aa95-4817-bb02-c0c982da47e4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-21 03:28:41.584 1 INFO cinder.rpc [None req-cbaf15b8-aa95-4817-bb02-c0c982da47e4 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-21 03:28:41.587 1 INFO cinder.rpc [None req-cbaf15b8-aa95-4817-bb02-c0c982da47e4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-21 03:28:41.590 1 INFO cinder.rpc [None req-cbaf15b8-aa95-4817-bb02-c0c982da47e4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-21 03:28:41.651 1 WARNING oslo_config.cfg [None req-cbaf15b8-aa95-4817-bb02-c0c982da47e4 - - - - - -] 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. 2026-05-21 03:28:41.652 1 WARNING oslo_config.cfg [None req-cbaf15b8-aa95-4817-bb02-c0c982da47e4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-21 03:28:41.662 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-21 03:28:41.688 1 INFO cinder.backup.manager [None req-43c7b542-85e3-4082-99a2-8a01817a8380 - - - - - -] Cleaning up incomplete backup operations. 2026-05-21 03:28:41.748 1 INFO cinder.keymgr.migration [None req-2ec49744-62dc-4b08-91aa-8798166d5a17 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.