+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-01 18:56:50.676 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-01 18:56:50.888 1 INFO cinder.rpc [None req-d4a3db4d-fc6d-4bc8-8c39-171de851c0dc - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-01 18:56:50.891 1 INFO cinder.rpc [None req-d4a3db4d-fc6d-4bc8-8c39-171de851c0dc - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-01 18:56:50.895 1 INFO cinder.rpc [None req-d4a3db4d-fc6d-4bc8-8c39-171de851c0dc - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-01 18:56:50.898 1 INFO cinder.rpc [None req-d4a3db4d-fc6d-4bc8-8c39-171de851c0dc - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-01 18:56:50.901 1 INFO cinder.rpc [None req-d4a3db4d-fc6d-4bc8-8c39-171de851c0dc - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-01 18:56:50.908 1 INFO cinder.rpc [None req-d4a3db4d-fc6d-4bc8-8c39-171de851c0dc - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-01 18:56:50.956 1 WARNING oslo_config.cfg [None req-d4a3db4d-fc6d-4bc8-8c39-171de851c0dc - - - - - -] 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 18:56:50.956 1 WARNING oslo_config.cfg [None req-d4a3db4d-fc6d-4bc8-8c39-171de851c0dc - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-01 18:56:50.965 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-01 18:56:50.982 1 INFO cinder.backup.manager [None req-8e78dfdb-1556-4432-bef7-a289768d7585 - - - - - -] Cleaning up incomplete backup operations.
2026-09-01 18:56:51.125 1 INFO cinder.keymgr.migration [None req-1a5770ac-608e-458f-b4bc-db230d734e8c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.