Do not stop saving IOS router or IOU configs when there is an exception while a project is committed.

gns3server/modules/dynamips/__init__.py

@@ -213,7 +213,11 @@ class Dynamips(BaseManager):
         # save the configs when the project is committed
         for vm in self._vms.copy().values():
             if vm.project.id == project.id:
-                yield from vm.save_configs()
+                try:
+                    yield from vm.save_configs()
+                except DynamipsError as e:
+                    log.warning(e)
+                    continue
 
     @property
     def dynamips_path(self):