I tried to clone ppp0 to "ppp-local" (this failed because of
a dash).  Then I tried to enter name "ppplocal" and got
this exception:

[root@stetson]# control-panel
Red Hat Linux netcfg 2.18
Copyright (C) 1996, 1997 Red Hat Software
Redistributable under the terms of the GNU General Public
License
Exception in Tkinter callback
Traceback (innermost last):
  File
"/var/tmp/python-root/usr/lib/python1.5/lib-tk/Tkinter.py",
line 752, in __call__
    return apply(self.func, args)
  File "/usr/lib/rhs/python/rhentry.py", line 277, in
<lambda>
    self.E.bind('<Return>', lambda x=self:not x.get() or
x.L.destroy())
AttributeError: get


I'd use Linuxconf, but the UI is so... strange.