+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-05 22:08:07.683 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-05 22:08:07.911 1 INFO cinder.rpc [None req-854fffa0-ff4e-4f47-8de5-105a429c7e2e - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-05 22:08:07.915 1 INFO cinder.rpc [None req-854fffa0-ff4e-4f47-8de5-105a429c7e2e - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-05 22:08:07.920 1 INFO cinder.rpc [None req-854fffa0-ff4e-4f47-8de5-105a429c7e2e - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-05 22:08:07.923 1 INFO cinder.rpc [None req-854fffa0-ff4e-4f47-8de5-105a429c7e2e - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-05 22:08:07.927 1 INFO cinder.rpc [None req-854fffa0-ff4e-4f47-8de5-105a429c7e2e - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-05 22:08:07.931 1 INFO cinder.rpc [None req-854fffa0-ff4e-4f47-8de5-105a429c7e2e - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-05 22:08:07.982 1 WARNING oslo_config.cfg [None req-854fffa0-ff4e-4f47-8de5-105a429c7e2e - - - - - -] 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.
2026-08-05 22:08:07.983 1 WARNING oslo_config.cfg [None req-854fffa0-ff4e-4f47-8de5-105a429c7e2e - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-05 22:08:07.994 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-08-05 22:08:08.012 1 INFO cinder.backup.manager [None req-d106b84a-0205-4d3b-88ae-12480f7f075f - - - - - -] Cleaning up incomplete backup operations.
2026-08-05 22:08:08.130 1 INFO cinder.keymgr.migration [None req-2ecbd65a-35ca-45c3-91bb-35095c1ed6cd - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.