I am removing dists/potato/main/binary-sparc/net/iproute_990630-1.deb as it is corrupt:
$ dpkg-deb --contents iproute_990630-1.deb | tar tf - dpkg-deb (subprocess): unexpected end of file in member data in iproute_990630-1.deb gzip: stdin: unexpected end of file tar: Archive - EOF not on block boundary tar: Error is not recoverable: exiting now dpkg-deb: subprocess tar returned error exit status 2 tar: Archive - EOF not on block boundary tar: Error is not recoverable: exiting now [status 2]