+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-01 18:57:53.652 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-01 18:57:53.930 1 INFO cinder.rpc [None req-48af31fd-9bf8-4659-9d8e-4b8d60e403a2 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-01 18:57:53.936 1 INFO cinder.rpc [None req-48af31fd-9bf8-4659-9d8e-4b8d60e403a2 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-01 18:57:53.938 1 INFO cinder.rpc [None req-48af31fd-9bf8-4659-9d8e-4b8d60e403a2 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-01 18:57:53.940 1 INFO cinder.rpc [None req-48af31fd-9bf8-4659-9d8e-4b8d60e403a2 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-01 18:57:53.942 1 INFO cinder.rpc [None req-48af31fd-9bf8-4659-9d8e-4b8d60e403a2 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-01 18:57:53.945 1 INFO cinder.rpc [None req-48af31fd-9bf8-4659-9d8e-4b8d60e403a2 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-01 18:57:54.003 1 WARNING oslo_config.cfg [None req-48af31fd-9bf8-4659-9d8e-4b8d60e403a2 - - - - - -] 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.
2026-09-01 18:57:54.003 1 WARNING oslo_config.cfg [None req-48af31fd-9bf8-4659-9d8e-4b8d60e403a2 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-01 18:57:54.011 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-01 18:57:54.034 1 INFO cinder.backup.manager [None req-43d937c3-0c80-4268-aa4a-01e6b37b6b71 - - - - - -] Cleaning up incomplete backup operations.
2026-09-01 18:57:54.076 1 INFO cinder.keymgr.migration [None req-214b4c6c-dc9b-413f-81c9-85026402df47 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.