+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-28 20:23:20.791 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-28 20:23:21.057 1 INFO cinder.rpc [None req-20252acd-49a8-4cc9-af72-f42e9ab161de - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-28 20:23:21.059 1 INFO cinder.rpc [None req-20252acd-49a8-4cc9-af72-f42e9ab161de - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-06-28 20:23:21.062 1 INFO cinder.rpc [None req-20252acd-49a8-4cc9-af72-f42e9ab161de - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-28 20:23:21.064 1 INFO cinder.rpc [None req-20252acd-49a8-4cc9-af72-f42e9ab161de - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-06-28 20:23:21.067 1 INFO cinder.rpc [None req-20252acd-49a8-4cc9-af72-f42e9ab161de - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-28 20:23:21.069 1 INFO cinder.rpc [None req-20252acd-49a8-4cc9-af72-f42e9ab161de - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-28 20:23:21.125 1 WARNING oslo_config.cfg [None req-20252acd-49a8-4cc9-af72-f42e9ab161de - - - - - -] 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.
2026-06-28 20:23:21.126 1 WARNING oslo_config.cfg [None req-20252acd-49a8-4cc9-af72-f42e9ab161de - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-28 20:23:21.134 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1)
2026-06-28 20:23:21.158 1 INFO cinder.backup.manager [None req-e2bfb11a-401d-4e17-ab56-605c047c4e8a - - - - - -] Cleaning up incomplete backup operations.
2026-06-28 20:23:21.196 1 INFO cinder.keymgr.migration [None req-b83b9451-4720-49fa-b2d3-a81f881d483c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.