+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-05 13:14:20.891 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-05 13:14:21.171 1 INFO cinder.rpc [None req-850abb1b-4054-453c-93d5-22e17555473f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-05 13:14:21.173 1 INFO cinder.rpc [None req-850abb1b-4054-453c-93d5-22e17555473f - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-05 13:14:21.176 1 INFO cinder.rpc [None req-850abb1b-4054-453c-93d5-22e17555473f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-05 13:14:21.179 1 INFO cinder.rpc [None req-850abb1b-4054-453c-93d5-22e17555473f - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-05 13:14:21.183 1 INFO cinder.rpc [None req-850abb1b-4054-453c-93d5-22e17555473f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-05 13:14:21.187 1 INFO cinder.rpc [None req-850abb1b-4054-453c-93d5-22e17555473f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-05 13:14:21.249 1 WARNING oslo_config.cfg [None req-850abb1b-4054-453c-93d5-22e17555473f - - - - - -] 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. 2026-05-05 13:14:21.250 1 WARNING oslo_config.cfg [None req-850abb1b-4054-453c-93d5-22e17555473f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-05 13:14:21.259 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-05 13:14:21.284 1 INFO cinder.backup.manager [None req-16ff42c1-04d2-4af5-a2b0-45e89c9454f4 - - - - - -] Cleaning up incomplete backup operations. 2026-05-05 13:14:21.351 1 INFO cinder.keymgr.migration [None req-bc916005-f8f2-4b53-b436-2660e967c71b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.