build

luks: check if keyutils are usable before running tests #130

Job	Run time
build (fedora:latest, true)	1m 21s
build (quay.io/centos/centos:stream10, true)	1m 26s
build (quay.io/centos/centos:stream9, true)	1m 23s
build (debian:testing, true)	1m 23s
build (debian:latest, true)	1m 19s
build (ubuntu:rolling, true)	1m 21s
build (ubuntu:latest, true)	1m 21s
build (quay.io/fedora/fedora:rawhide, false)	1m 21s
build (ubuntu:devel, false)	1m 23s
	12m 18s

Provide feedback