Updated openstack/openstack
Project: openstack/nova  fef06c3ebfd27461c2184ccd7f60ce3e69948c95
null
Initialize iptables rules on initialization of MetadataManager

To avoid multiple initialization of iptables rules if there are a few
workers for metadata service, perform iptables configuration in
__init__() of MetadataManager.

Change-Id: I674c04f973318f06cbb98693f0a884c824af8748
Closes-Bug: #1097999