/usr/lib/x86_64-linux-gnu/ is in libsys-virt-perl 4.0.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt/
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.26/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt/Domain.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt/DomainSnapshot.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt/Error.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt/Event.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt/Interface.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt/NWFilter.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt/Network.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt/NodeDevice.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt/Secret.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt/StoragePool.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt/StorageVol.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt/Stream.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Sys/Virt.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Sys/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Sys/Virt/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Sys/Virt/Virt.so