¿Por qué estoy recibiendo "Error al descifrar datos no debe ser mayor de 256 bytes"?

Issue

Los siguientes errores aparecieron en el engine.log RHEV. ¿Es posible evitar estos errores?
ejemplo:

2013-01-25 09:44:42,960 ERROR [org.ovirt.engine.core.engineencryptutils.EncryptionUtils] (QuartzScheduler_Worker-49) Failed to decrypt Blocktype mismatch: 0
2013-01-25 09:46:05,315 ERROR [org.ovirt.engine.core.engineencryptutils.EncryptionUtils] (QuartzScheduler_Worker-82) Failed to decrypt Data must not be longer than 256 bytes
2013-01-25 09:46:13,560 ERROR [org.ovirt.engine.core.engineencryptutils.EncryptionUtils] (QuartzScheduler_Worker-89) Failed to decrypt Data must start with zero
[...]
2013-01-25 09:50:00,000 INFO  [org.ovirt.engine.core.bll.AutoRecoveryManager] (QuartzScheduler_Worker-81) [71c7b901] Checking autorecoverable hosts
2013-01-25 09:50:00,002 INFO  [org.ovirt.engine.core.bll.AutoRecoveryManager] (QuartzScheduler_Worker-81) [71c7b901] Autorecovering 0 hosts
2013-01-25 09:50:00,002 INFO  [org.ovirt.engine.core.bll.AutoRecoveryManager] (QuartzScheduler_Worker-81) [71c7b901] Checking autorecoverable hosts done
2013-01-25 09:50:00,002 INFO  [org.ovirt.engine.core.bll.AutoRecoveryManager] (QuartzScheduler_Worker-81) [71c7b901] Autorecovering storage domains is disabled, skipping