Description of problem:

VM eventually stops but the engine is throwing an error along before stopping it and an exception shows up on vdsm

2013-08-07 16:26:29,342 ERROR [org.ovirt.engine.core.bll.StopVmCommand] (pool-5-thread-47) Command org.ovirt.engine.core.bll.StopVmCommand throw Vdc Bll exception. With error message VdcBLLException: org.ovirt.e
ngine.core.vdsbroker.vdsbroker.VDSErrorException: VDSGenericException: VDSErrorException: Failed to DestroyVDS, error = Unexpected exception (Failed with error unexpected and code 16)


Thread-748::DEBUG::2013-08-07 16:26:32,512::task::974::TaskManager.Task::(_decref) Task=`f772a895-9609-46b5-85f8-904f1fee475e`::ref 0 aborting False
libvirtEventLoop::INFO::2013-08-07 16:26:32,512::vm::4217::vm.Vm::(releaseVm) vmId=`4af7679b-ae25-4dca-81e5-8b22e3e5c417`::Release VM resources
Thread-748::ERROR::2013-08-07 16:26:32,512::BindingXMLRPC::993::vds::(wrapper) unexpected error
Traceback (most recent call last):
  File "/usr/share/vdsm/BindingXMLRPC.py", line 979, in wrapper
    res = f(*args, **kwargs)
  File "/usr/share/vdsm/BindingXMLRPC.py", line 211, in vmDestroy
    return vm.destroy()
  File "/usr/share/vdsm/API.py", line 322, in destroy
    res = v.destroy()
  File "/usr/share/vdsm/vm.py", line 4281, in destroy
    response = self.releaseVm()
  File "/usr/share/vdsm/vm.py", line 4249, in releaseVm
    self.cif.removeVmFromMonitoredDomains(self.id)
  File "/usr/share/vdsm/clientIF.py", line 125, in removeVmFromMonitoredDomains
    for dom in self.domainVmIds:
RuntimeError: dictionary changed size during iteration
libvirtEventLoop::DEBUG::2013-08-07 16:26:32,514::sampling::292::vm.Vm::(stop) vmId=`4af7679b-ae25-4dca-81e5-8b22e3e5c417`::Stop statistics collection
libvirtEventLoop::DEBUG::2013-08-07 16:26:32,519::libvirtconnection::101::libvirtconnection::(wrapper) Unknown libvirterror: ecode: 42 edom: 10 level: 2 message: Domain not found: no domain with matching uuid '4
af7679b-ae25-4dca-81e5-8b22e3e5c417'