+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-16 10:30:04.849 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-16 10:30:05.131 1 INFO cinder.rpc [None req-22cc615f-fde3-422c-9d0d-a5d3320346c3 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-16 10:30:05.135 1 INFO cinder.rpc [None req-22cc615f-fde3-422c-9d0d-a5d3320346c3 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-16 10:30:05.140 1 INFO cinder.rpc [None req-22cc615f-fde3-422c-9d0d-a5d3320346c3 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-16 10:30:05.143 1 INFO cinder.rpc [None req-22cc615f-fde3-422c-9d0d-a5d3320346c3 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-16 10:30:05.146 1 INFO cinder.rpc [None req-22cc615f-fde3-422c-9d0d-a5d3320346c3 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-16 10:30:05.150 1 INFO cinder.rpc [None req-22cc615f-fde3-422c-9d0d-a5d3320346c3 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-16 10:30:05.248 1 WARNING oslo_config.cfg [None req-22cc615f-fde3-422c-9d0d-a5d3320346c3 - - - - - -] 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. 2026-04-16 10:30:05.249 1 WARNING oslo_config.cfg [None req-22cc615f-fde3-422c-9d0d-a5d3320346c3 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-16 10:30:05.261 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-16 10:30:05.291 1 INFO cinder.backup.manager [None req-6510e18a-e712-45e9-aa57-7d3a45e66bb9 - - - - - -] Cleaning up incomplete backup operations. 2026-04-16 10:30:05.348 1 INFO cinder.keymgr.migration [None req-ef78ee02-bb60-43db-ba82-99d47d05b873 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.