Netdiscover is an arp packet-based network address discovery tool
Poudriere (amd64): https://poudriere.freebsd.bsdutra.me/data/latest-per-pkg/netdiscover/0.10/
Poudriere (arm64): https://poudriere-arm64.freebsd.bsdutra.me/data/latest-per-pkg/netdiscover/0.10/
```
net/netdiscover: Add new port
Netdiscover is an arp packet-based network address discovery tool
PR: 277932
Reported by: gatekeeper <tiago.gasiba@gmail.com>
Approved by: garga (mentor), dbaio (mentor)
Differential Revision: https://reviews.freebsd.org/D44551
```