Carl Baldwin 4b723e7d30 Use an independent iptables lock per namespace
Since iptables is independent from namespace to namespace, it makes
sense to use an independent lock per namespace.  This improvement is
aimed at improving the parallel performance in the L3 agent.

Partially implements blueprint: neutron-tempest-parallel

Change-Id: I15e9c9da9a7c15981757a09bc744501722d62db2
2014-01-17 20:53:01 +00:00
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