Use a single command to install xdp instead of remove+add
-rw-r--r-- 3597 README.md
-rw-r--r-- 2645 collision_prob.py
-rwxr-xr-x 1349 dropcount.sh
-rwxr-xr-x 24452 genrules.py
-rwxr-xr-x 1586 install.sh
-rw-r--r-- 5381 siphash.h
-rwxr-xr-x 18439 test.sh
-rw-r--r-- 13576 xdp.c