+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-16 12:06:06.364 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-16 12:06:06.647 1 INFO cinder.rpc [None req-bf70a2da-0e66-41bc-a0e3-13131c76b387 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-16 12:06:06.652 1 INFO cinder.rpc [None req-bf70a2da-0e66-41bc-a0e3-13131c76b387 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-16 12:06:06.654 1 INFO cinder.rpc [None req-bf70a2da-0e66-41bc-a0e3-13131c76b387 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-16 12:06:06.657 1 INFO cinder.rpc [None req-bf70a2da-0e66-41bc-a0e3-13131c76b387 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-16 12:06:06.660 1 INFO cinder.rpc [None req-bf70a2da-0e66-41bc-a0e3-13131c76b387 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-16 12:06:06.663 1 INFO cinder.rpc [None req-bf70a2da-0e66-41bc-a0e3-13131c76b387 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-16 12:06:06.734 1 WARNING oslo_config.cfg [None req-bf70a2da-0e66-41bc-a0e3-13131c76b387 - - - - - -] 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. 2026-04-16 12:06:06.735 1 WARNING oslo_config.cfg [None req-bf70a2da-0e66-41bc-a0e3-13131c76b387 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-16 12:06:06.745 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-16 12:06:06.770 1 INFO cinder.backup.manager [None req-537d7d69-8a87-4657-8196-492cedc6f459 - - - - - -] Cleaning up incomplete backup operations. 2026-04-16 12:06:06.832 1 INFO cinder.keymgr.migration [None req-9dd929c6-d87f-45ca-af87-2f3a7aad7113 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.