+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-05 14:19:00.175 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-05 14:19:00.468 1 INFO cinder.rpc [None req-0d118109-ff98-47c1-b1d4-8dae43184a4b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-05 14:19:00.471 1 INFO cinder.rpc [None req-0d118109-ff98-47c1-b1d4-8dae43184a4b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-05 14:19:00.473 1 INFO cinder.rpc [None req-0d118109-ff98-47c1-b1d4-8dae43184a4b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-05 14:19:00.476 1 INFO cinder.rpc [None req-0d118109-ff98-47c1-b1d4-8dae43184a4b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-05 14:19:00.480 1 INFO cinder.rpc [None req-0d118109-ff98-47c1-b1d4-8dae43184a4b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-05 14:19:00.483 1 INFO cinder.rpc [None req-0d118109-ff98-47c1-b1d4-8dae43184a4b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-05 14:19:00.569 1 WARNING oslo_config.cfg [None req-0d118109-ff98-47c1-b1d4-8dae43184a4b - - - - - -] 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 14:19:00.570 1 WARNING oslo_config.cfg [None req-0d118109-ff98-47c1-b1d4-8dae43184a4b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-05 14:19:00.581 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-05 14:19:00.605 1 INFO cinder.backup.manager [None req-b4426e28-99a4-45ef-bd35-7f75bfc676cc - - - - - -] Cleaning up incomplete backup operations. 2026-05-05 14:19:00.671 1 INFO cinder.keymgr.migration [None req-8547c8f8-0c22-4c6c-9ef6-4c111bbabfaf - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.