dotcloud/docker — pull request #6950 by jfrazelle (2014-07-10 05:42:30+00:00)
Title: Fix duplicate iptables rules

If iptables version is < 1.4.11, try to delete the rule vs. checking if it exists. Fixes #6831.

Docker-DCO-1.1-Signed-off-by: Jessica Frazelle (github: jfrazelle)