BUILD_OK
sendfile: fd=3 s=4 header=56 MB ...
sendfile returned rc=-1 errno=22 (Invalid argument) sbytes=1
sendfile: fd=3 s=4 header=256 MB ...
sendfile returned rc=-1 errno=22 (Invalid argument) sbytes=1
=== PEAK_CLUSTER_SAMPLE ===
256/33296 mbuf clusters in use (current/max)
=== DONE ===