+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-31 06:19:23.576 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-31 06:19:23.876 1 INFO cinder.rpc [None req-926fa706-b790-42dc-a6d8-fcedb9ba65e7 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-31 06:19:23.879 1 INFO cinder.rpc [None req-926fa706-b790-42dc-a6d8-fcedb9ba65e7 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-31 06:19:23.881 1 INFO cinder.rpc [None req-926fa706-b790-42dc-a6d8-fcedb9ba65e7 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-31 06:19:23.884 1 INFO cinder.rpc [None req-926fa706-b790-42dc-a6d8-fcedb9ba65e7 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-31 06:19:23.887 1 INFO cinder.rpc [None req-926fa706-b790-42dc-a6d8-fcedb9ba65e7 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-31 06:19:23.890 1 INFO cinder.rpc [None req-926fa706-b790-42dc-a6d8-fcedb9ba65e7 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-31 06:19:23.952 1 WARNING oslo_config.cfg [None req-926fa706-b790-42dc-a6d8-fcedb9ba65e7 - - - - - -] 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. 2026-05-31 06:19:23.953 1 WARNING oslo_config.cfg [None req-926fa706-b790-42dc-a6d8-fcedb9ba65e7 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-31 06:19:23.962 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-31 06:19:23.986 1 INFO cinder.backup.manager [None req-623ccd42-e004-4167-87ce-378cfebc7780 - - - - - -] Cleaning up incomplete backup operations. 2026-05-31 06:19:24.070 1 INFO cinder.keymgr.migration [None req-f12355f6-9fb8-40da-b930-4a6814383391 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.