- MSG_process_create("p11", worker_func, NULL, vm_host1);
- MSG_process_create("p12", worker_func, NULL, host1);
+ MSG_process_create("p11", worker_func, NULL, (msg_host_t)vm_host1);
+ MSG_process_create("p12", worker_func, NULL, (msg_host_t)vm_host1);