perfdhcp(8) on Linux
The text b45deb2eded7, as Debian 9 (Stretch) shipped it.
DHCP benchmarking tool
Flags it lists
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-1 -
-4 -
-6 -
-A -
-B -
-D -
-E -
-F -
-I -
-L -
-M -
-O -
-P -
-R -
-S -
-T -
-X -
-a -
-b -
-c -
-d -
-e -
-f -
-h -
-i -
-l -
-n -
-p -
-r -
-s -
-t -
-v -
-w -
-x