+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-26 16:20:24.541 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-26 16:20:24.848 1 INFO cinder.rpc [None req-80971441-2395-4cdc-b8f3-23b23a571536 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-26 16:20:24.851 1 INFO cinder.rpc [None req-80971441-2395-4cdc-b8f3-23b23a571536 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-26 16:20:24.854 1 INFO cinder.rpc [None req-80971441-2395-4cdc-b8f3-23b23a571536 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-26 16:20:24.857 1 INFO cinder.rpc [None req-80971441-2395-4cdc-b8f3-23b23a571536 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-26 16:20:24.860 1 INFO cinder.rpc [None req-80971441-2395-4cdc-b8f3-23b23a571536 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-26 16:20:24.864 1 INFO cinder.rpc [None req-80971441-2395-4cdc-b8f3-23b23a571536 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-26 16:20:24.938 1 WARNING oslo_config.cfg [None req-80971441-2395-4cdc-b8f3-23b23a571536 - - - - - -] 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. 2026-05-26 16:20:24.939 1 WARNING oslo_config.cfg [None req-80971441-2395-4cdc-b8f3-23b23a571536 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-26 16:20:24.948 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-26 16:20:24.973 1 INFO cinder.backup.manager [None req-d73596ad-7595-4348-8f44-49c6d61c2a9a - - - - - -] Cleaning up incomplete backup operations. 2026-05-26 16:20:25.022 1 INFO cinder.keymgr.migration [None req-1a1cc2fa-6860-413f-8bb1-5ffa278384f7 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.