Fix bug when reading linux defaults (#2259) #363

Job	Run time
archlinux	1m 10s
alpine	1m 3s
fedora	1m 20s
registry.suse.com/suse/sle15:15.4.27.11.31	3m 40s
alpine:3.19.8	1m 9s
redhat/ubi8	1m 4s
opensuse/leap	2m 0s
debian:bullseye	1m 25s
ubuntu	50s
opensuse/tumbleweed	1m 43s
tgagor/centos	1m 30s
mcr.microsoft.com/cbl-mariner/base/core:2.0	2m 59s
	19m 53s

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