/usr/lib/ is in libgstreamer-interfaces-perl 0.06-1build2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/perl5/auto/GStreamer/Interfaces/Interfaces.so
/usr/lib/perl5/auto/GStreamer/Interfaces/Interfaces.bs
/usr/lib/perl5/
/usr/lib/perl5/GStreamer/
/usr/lib/perl5/GStreamer/Interfaces/
/usr/lib/perl5/GStreamer/Interfaces/Install/
/usr/lib/perl5/GStreamer/Interfaces/Install/gstinterfacesperl-autogen.h
/usr/lib/perl5/GStreamer/Interfaces/Install/Files.pm
/usr/lib/perl5/GStreamer/Interfaces/Install/gstinterfacesperl-version.h
/usr/lib/perl5/GStreamer/Interfaces/Install/gstinterfacesperl.h
/usr/lib/perl5/GStreamer/Interfaces/Install/gstinterfacesperl.typemap
/usr/lib/perl5/GStreamer/Interfaces.pm
/usr/lib/perl5/auto/
/usr/lib/perl5/auto/GStreamer/
/usr/lib/perl5/auto/GStreamer/Interfaces/