Error while executing action Change CD: Failed to perform

Issue

• Facing some issues while trying to attach a CD to a specific VM.
• Failing with error while executing action Change CD: Failed to perform "Change CD" operation.
• Following errors are seen in /var/log/ovirt-engine/engine.log file:

2014-02-10 13:12:22,492 INFO  [org.ovirt.engine.core.bll.IsoDomainListSyncronizer] (pool-4-thread-39) [4c18f114] Finished automatic refresh process for ISO file type with success, for storage domain id 56711dcd-4ca2-4bc8-8e2f-c7c6b6ab91a0.
2014-02-10 13:12:24,005 ERROR [org.ovirt.engine.core.vdsbroker.VDSCommandBase] (QuartzScheduler_Worker-43) [4f08bfe7] Command GetCapabilitiesVDS execution failed. Exception: VDSNetworkException: java.net.NoRouteToHostException: No route to host
2014-02-10 13:12:25,985 ERROR [org.ovirt.engine.core.vdsbroker.VDSCommandBase] (QuartzScheduler_Worker-62) Command GetCapabilitiesVDS execution failed. Exception: VDSNetworkException: java.net.NoRouteToHostException: No route to host
2014-02-10 13:12:29,792 INFO  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (QuartzScheduler_Worker-42) [2b7f9110] No string for UNASSIGNED type. Use default Log
2014-02-10 13:12:30,141 ERROR [org.ovirt.engine.core.vdsbroker.VDSCommandBase] (QuartzScheduler_Worker-40) Command GetCapabilitiesVDS execution failed. Exception: VDSNetworkException: java.net.NoRouteToHostException: No route to host
2014-02-10 13:12:31,408 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.FullListVdsCommand] (QuartzScheduler_Worker-50) [6423f7b5] START, FullListVdsCommand( HostId = d417cd17-3d94-4ad5-ace1-3a1f269a2309, vds=null, vmIds=[9f947cbb-1aad-46f2-9890-36e8d42fcb6d]), log id: 4096ad3f
2014-02-10 13:12:31,433 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.FullListVdsCommand] (QuartzScheduler_Worker-50) [6423f7b5] FINISH, FullListVdsCommand, return: [Lorg.ovirt.engine.core.vdsbroker.xmlrpc.XmlRpcStruct;@64482439, log id: 4096ad3f
2014-02-10 13:12:31,458 ERROR [org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo] (QuartzScheduler_Worker-50) [6423f7b5] ResourceManager::refreshVdsRunTimeInfo: Error: ArithmeticException: , vds = d417cd17-3d94-4ad5-ace1-3a1f269a2309 : host.example.com
2014-02-10 13:12:31,458 ERROR [org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo] (QuartzScheduler_Worker-50) [6423f7b5] ArithmeticException: : java.lang.ArithmeticException

2014-02-10 13:12:32,029 ERROR [org.ovirt.engine.core.vdsbroker.VDSCommandBase] (QuartzScheduler_Worker-59) [41f896ea] Command GetCapabilitiesVDS execution failed. Exception: VDSNetworkException: java.net.NoRouteToHostException: No route to host