contrib/docker/knot-resolver-buildenv: build knot with XDP
This won't work with Knot < 3.0.0 :-/
With Ubuntu Groovy+ it might be was enough to add libbpf-dev
and (optionally) drop --enable-xdp... so it should be fine with both Knot branches (< 3.0.0 will be without XDP).
Edited by Vladimír Čunát