The default configuration for "services" in
services: nisplus [NOTFOUND=return] files
Obviously, this breaks any program that wants to use
getservbyname() if you are not running NIS.
Kerberos 4 in particular generates annoying error messages
with this configuration.
You should ship /etc/nsswitch.conf with the following
default, or something similar:
Foxed in glibc-2.1.2-3 and later, in rawhide shortly