+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-06 17:28:48.054 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-06 17:28:48.324 1 INFO cinder.rpc [None req-47b6c258-d0d2-4d29-81f5-e6bcbb78ef76 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-06 17:28:48.327 1 INFO cinder.rpc [None req-47b6c258-d0d2-4d29-81f5-e6bcbb78ef76 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-06-06 17:28:48.330 1 INFO cinder.rpc [None req-47b6c258-d0d2-4d29-81f5-e6bcbb78ef76 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-06 17:28:48.332 1 INFO cinder.rpc [None req-47b6c258-d0d2-4d29-81f5-e6bcbb78ef76 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-06-06 17:28:48.335 1 INFO cinder.rpc [None req-47b6c258-d0d2-4d29-81f5-e6bcbb78ef76 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-06 17:28:48.337 1 INFO cinder.rpc [None req-47b6c258-d0d2-4d29-81f5-e6bcbb78ef76 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-06 17:28:48.401 1 WARNING oslo_config.cfg [None req-47b6c258-d0d2-4d29-81f5-e6bcbb78ef76 - - - - - -] 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.
2026-06-06 17:28:48.402 1 WARNING oslo_config.cfg [None req-47b6c258-d0d2-4d29-81f5-e6bcbb78ef76 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-06 17:28:48.412 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-06-06 17:28:48.435 1 INFO cinder.backup.manager [None req-3287b6e9-6ae3-4220-b859-0f78148de7db - - - - - -] Cleaning up incomplete backup operations.
2026-06-06 17:28:48.509 1 INFO cinder.keymgr.migration [None req-fcb2c29b-8177-4501-aad7-ea8cd63ec437 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.