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User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1)
Gecko/20030225

Description of problem:
After adding a new host (I have only added the address and aliases
entries) when I try to save it from the main window, it crashes.

Version-Release number of selected component (if applicable):
redhat-config-network-1.2.15-1

How reproducible:
Always

Steps to Reproduce:
1.Main menu, system settings, network;
2.Choose Hosts and add a new one using the address and alises entries,
skip the Hostname.
3.Save
    

Actual Results:  Redhat-config-network crashes

Expected Results:  have a new host

Additional info: