+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-06 00:58:44.297 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-06 00:58:44.573 1 INFO cinder.rpc [None req-cface85e-3f56-4d10-8f1d-585526b58ea7 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-06 00:58:44.576 1 INFO cinder.rpc [None req-cface85e-3f56-4d10-8f1d-585526b58ea7 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-06 00:58:44.578 1 INFO cinder.rpc [None req-cface85e-3f56-4d10-8f1d-585526b58ea7 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-06 00:58:44.581 1 INFO cinder.rpc [None req-cface85e-3f56-4d10-8f1d-585526b58ea7 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-06 00:58:44.583 1 INFO cinder.rpc [None req-cface85e-3f56-4d10-8f1d-585526b58ea7 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-06 00:58:44.586 1 INFO cinder.rpc [None req-cface85e-3f56-4d10-8f1d-585526b58ea7 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-06 00:58:44.647 1 WARNING oslo_config.cfg [None req-cface85e-3f56-4d10-8f1d-585526b58ea7 - - - - - -] 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. 2026-03-06 00:58:44.648 1 WARNING oslo_config.cfg [None req-cface85e-3f56-4d10-8f1d-585526b58ea7 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-06 00:58:44.658 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-03-06 00:58:44.682 1 INFO cinder.backup.manager [None req-875146a9-bcfd-4899-91b0-d1a817489255 - - - - - -] Cleaning up incomplete backup operations. 2026-03-06 00:58:44.743 1 INFO cinder.keymgr.migration [None req-45812380-25bf-47be-ab04-9851dd745bb0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.