Description of Problem:

Certain (mostly) numeric command line arguments are not correctly handled.

Version-Release number of selected component (if applicable):

iptables-1.2.3-1

How Reproducible:

Always.

Steps to Reproduce:

String values for the --log-level argument, for exaple
won't work.

 iptables -A INPUT -s 10.0.0.0/8 -j LOG --log-level info

Actual Results:

 "log-level `info' ambiguous"

Expected Results:

 A new iptables rule.

Additional Information:
	
 Patch attached.