struct vconn *vconn;
struct ofpbuf *reply;
- request = make_echo_request();
open_vconn(argv[1], &vconn);
+ request = make_echo_request(vconn_get_version(vconn));
run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]);
if (reply->size != sizeof(struct ofp_header)) {
ovs_fatal(0, "reply does not match request");