install problem: libc6_2.3.2.ds1-21

["Karl Hoppel" <karl.hoppel@nrl.navy.mil>]

I get the following error trying to upgrade libc6 using sid.
Any suggestions or help is appreciated?

Preparing to replace libc6 2.3.2.ds1-18 (using .../libc6_2.3.2.ds1-21_amd64.deb) ...
Unpacking replacement libc6 ...
dpkg: error processing /var/cache/apt/archives/libc6_2.3.2.ds1-21_amd64.deb (--unpack):
 trying to overwrite `/usr/lib64', which is also in package base-files
Errors were encountered while processing:
 /var/cache/apt/archives/libc6_2.3.2.ds1-21_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)



Karl