ctl_ha_msg_port
if (len < offsetof(struct ctl_ha_msg_port, data[0])) {
__func__, len, offsetof(struct ctl_ha_msg_port, data[0]));
if (len < offsetof(struct ctl_ha_msg_port, data[i])) {
__func__, len, offsetof(struct ctl_ha_msg_port, data[i]));
struct ctl_ha_msg_port port;