+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-21 15:59:24.923 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-21 15:59:25.225 1 INFO cinder.rpc [None req-796a9975-ff3a-41a0-a61b-b4b34eb2cec4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-21 15:59:25.231 1 INFO cinder.rpc [None req-796a9975-ff3a-41a0-a61b-b4b34eb2cec4 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-21 15:59:25.234 1 INFO cinder.rpc [None req-796a9975-ff3a-41a0-a61b-b4b34eb2cec4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-21 15:59:25.236 1 INFO cinder.rpc [None req-796a9975-ff3a-41a0-a61b-b4b34eb2cec4 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-21 15:59:25.239 1 INFO cinder.rpc [None req-796a9975-ff3a-41a0-a61b-b4b34eb2cec4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-21 15:59:25.242 1 INFO cinder.rpc [None req-796a9975-ff3a-41a0-a61b-b4b34eb2cec4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-21 15:59:25.317 1 WARNING oslo_config.cfg [None req-796a9975-ff3a-41a0-a61b-b4b34eb2cec4 - - - - - -] 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. 2026-05-21 15:59:25.318 1 WARNING oslo_config.cfg [None req-796a9975-ff3a-41a0-a61b-b4b34eb2cec4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-21 15:59:25.328 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-21 15:59:25.357 1 INFO cinder.backup.manager [None req-e578b4d5-e83c-4bb4-8a9d-264af6c5e408 - - - - - -] Cleaning up incomplete backup operations. 2026-05-21 15:59:25.415 1 INFO cinder.keymgr.migration [None req-b9074899-dc4b-4f73-9601-76d358a826f0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.