+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-21 19:57:21.000 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-21 19:57:21.261 1 INFO cinder.rpc [None req-8ebf13f2-6ed5-4556-bf17-267881c2ef47 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-21 19:57:21.264 1 INFO cinder.rpc [None req-8ebf13f2-6ed5-4556-bf17-267881c2ef47 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-21 19:57:21.267 1 INFO cinder.rpc [None req-8ebf13f2-6ed5-4556-bf17-267881c2ef47 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-21 19:57:21.270 1 INFO cinder.rpc [None req-8ebf13f2-6ed5-4556-bf17-267881c2ef47 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-21 19:57:21.274 1 INFO cinder.rpc [None req-8ebf13f2-6ed5-4556-bf17-267881c2ef47 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-21 19:57:21.277 1 INFO cinder.rpc [None req-8ebf13f2-6ed5-4556-bf17-267881c2ef47 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-21 19:57:21.496 1 WARNING oslo_config.cfg [None req-8ebf13f2-6ed5-4556-bf17-267881c2ef47 - - - - - -] 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 19:57:21.497 1 WARNING oslo_config.cfg [None req-8ebf13f2-6ed5-4556-bf17-267881c2ef47 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-21 19:57:21.509 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0) 2026-05-21 19:57:21.531 1 INFO cinder.backup.manager [None req-60739ae5-ae70-471b-87a3-d20cdaf281dc - - - - - -] Cleaning up incomplete backup operations. 2026-05-21 19:57:21.606 1 INFO cinder.keymgr.migration [None req-f237fae6-ed8e-44b4-9d7e-dc0d679484c5 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.