potnet-0.4.4 is not a library.
potnet and potcpu
Those two command line utilities are needed by the FreeBSD jail framework pot
potnet
potnet provides several features to manage the public-bridge and the private-bridge network types, like IPs allocation, network segmentation, IP validation and so on.
potcpu
potcpu provides features to manage the cpuset based CPU allocation
Installation
You can install potnet and potcpu via pkg:
# pkg install potnet
or via cargo:
$ cargo install potnet