+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-21 16:06:08.929 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-21 16:06:09.216 1 INFO cinder.rpc [None req-37617571-6692-4721-a87b-dc9db79dbf07 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-21 16:06:09.219 1 INFO cinder.rpc [None req-37617571-6692-4721-a87b-dc9db79dbf07 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-21 16:06:09.221 1 INFO cinder.rpc [None req-37617571-6692-4721-a87b-dc9db79dbf07 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-21 16:06:09.223 1 INFO cinder.rpc [None req-37617571-6692-4721-a87b-dc9db79dbf07 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-21 16:06:09.226 1 INFO cinder.rpc [None req-37617571-6692-4721-a87b-dc9db79dbf07 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-21 16:06:09.228 1 INFO cinder.rpc [None req-37617571-6692-4721-a87b-dc9db79dbf07 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-21 16:06:09.288 1 WARNING oslo_config.cfg [None req-37617571-6692-4721-a87b-dc9db79dbf07 - - - - - -] 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 16:06:09.290 1 WARNING oslo_config.cfg [None req-37617571-6692-4721-a87b-dc9db79dbf07 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-21 16:06:09.299 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-21 16:06:09.325 1 INFO cinder.backup.manager [None req-3be25dde-391a-4f20-b9f5-3f041dea3682 - - - - - -] Cleaning up incomplete backup operations. 2026-05-21 16:06:09.396 1 INFO cinder.keymgr.migration [None req-747d8235-51b2-4674-8ece-83896a38b282 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.