+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-08 11:51:52.140 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-08 11:51:52.448 1 INFO cinder.rpc [None req-af28a2f8-6a2a-416f-b07b-658a0991e815 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-08 11:51:52.457 1 INFO cinder.rpc [None req-af28a2f8-6a2a-416f-b07b-658a0991e815 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-08 11:51:52.460 1 INFO cinder.rpc [None req-af28a2f8-6a2a-416f-b07b-658a0991e815 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-08 11:51:52.464 1 INFO cinder.rpc [None req-af28a2f8-6a2a-416f-b07b-658a0991e815 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-08 11:51:52.467 1 INFO cinder.rpc [None req-af28a2f8-6a2a-416f-b07b-658a0991e815 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-08 11:51:52.469 1 INFO cinder.rpc [None req-af28a2f8-6a2a-416f-b07b-658a0991e815 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-08 11:51:52.734 1 WARNING oslo_config.cfg [None req-af28a2f8-6a2a-416f-b07b-658a0991e815 - - - - - -] 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. 2026-05-08 11:51:52.735 1 WARNING oslo_config.cfg [None req-af28a2f8-6a2a-416f-b07b-658a0991e815 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-08 11:51:52.746 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-08 11:51:52.772 1 INFO cinder.backup.manager [None req-9dce5f9e-8e09-46c1-b865-8495754eedbc - - - - - -] Cleaning up incomplete backup operations. 2026-05-08 11:51:52.846 1 INFO cinder.keymgr.migration [None req-fbfeb2f9-87b6-48f2-a610-1c98057a003b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.