spoof_prepare_pi
spoof_prepare_pi("fd00::", 64, &pi, &iovs[2]);
spoof_prepare_pi("fd00::", 64, &pi, &iovs[2]);
spoof_prepare_pi("fd00::", 130, &pi, &iovs[2]);
spoof_prepare_pi("fe80::", 64, &pi, &iovs[2]);
spoof_prepare_pi("fd00::", 64, &pi, &iovs[2]);