vm_create
error = vm_create(vmname, create_flags);
error = vm_create(vmname);
error = vm_create(vmname, 0);
int vm_create(const char *name);
int vm_create(const char *name, uint64_t flags);
res = vm_create(name, 0);
err = vm_create(vm_name, create_flags);
err = vm_create(name, VCF_TRACK_DIRTY);
int res = vm_create(vmname, VCF_TRACK_DIRTY);
int vm_create(uint64_t flags, struct vm **retvm);
error = vm_create(req->flags, &sc->vmm_vm);