Mine
public text v1 · immutableSubZero:/data# apt-get install linux-headers-2.6.22-3 linux-kbuild-2.6.22 linux-headers-2.6.22-3-ixp4xx
Reading package lists... Done
Building dependency tree... Done
Package linux-headers-2.6.22-3 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package linux-headers-2.6.22-3 has no installation candidate
SubZero:/data#