/usr/share/bug/libv4l-0 is in libv4l-0 1.0.1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | #!/bin/sh
exec 1>&3 2>&3
if which v4l-info > /dev/null 2>&1
then
    for v in /dev/video[0-9]*
    do
	if [ -r "$v" ]
	then
	    echo "--- v4l-info for $v ---"
	    v4l-info $v
	fi
    done
else
    echo "--- v4l-info is not available. Please consider installing package v4l-conf ---"
fi
echo "--- last dmesg lines ---"
dmesg | tail -n 25
echo "--- finished ---"
 |