/usr/lib/ is in libvideo-capture-v4l-perl 0.902-4ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/
/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/Video/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Video/Capture/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Video/Capture/V4l.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Video/Capture/VBI.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Video/Frequencies.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Video/RTjpeg.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Video/XawTV.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Video/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Video/Capture/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Video/Capture/V4l/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Video/Capture/V4l/V4l.so
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Video/Capture/VBI/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Video/Capture/VBI/VBI.so
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Video/RTjpeg/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Video/RTjpeg/RTjpeg.so