interface. You must be running a 2.0.31 or greater kernel, and you must
have 2.0.31 system headers installed *before* you build dhcpd.
+NOTE: People have been having problems finding the 2.0.31 kernel
+because it was only available as a prerelease patch. As of October
+17, Linux 2.0.31 is the stable Linux kernel, and is available as a
+kernel distribution rather than as a test patch. With any luck, it
+will be in the latest version of your favourite Linux distribution
+soon.
+
If you are running a Linux 2.1 kernel, this does not guarantee that you
have SO_BINDTODEVICE. Linux 2.0.31 was released quite a while after 2.1
kernel development began. I do not know what version of Linux 2.1 has