Fix issue #247

- The new VM migration listeners introduced in #249
  helped find the root cause.

Signed-off-by: Manoel Campos <manoelcampos@gmail.com>

cloudsim-plus/src/main/java/org/cloudbus/cloudsim/allocationpolicies/migration/VmAllocationPolicyMigrationAbstract.java

@@ -635,10 +635,9 @@ private void restoreAllocation() {
 
         for (final Vm vm : savedAllocation.keySet()) {
             final Host host = savedAllocation.get(vm);
-            if (!host.createTemporaryVm(vm)) {
-                LOGGER.error("VmAllocationPolicy: Couldn't restore {} on {}", vm, host);
-                return;
-            }
+            if (host.createTemporaryVm(vm))
+                vm.setCreated(true);
+            else LOGGER.error("VmAllocationPolicy: Couldn't restore {} on {}", vm, host);
         }
     }