Comment 9 for bug 1587898

Verify on ISO fuel-9.0-mos-481-2016-06-13 (http://paste.openstack.org/show/515963/)

[root@lab5-fuel9 ~]# hiera dpdk
{"ovs_socket_mem"=>"1024,1024,1024,1024"}
[root@lab5-fuel9 ~]# python -c 'import yaml; print(yaml.load(open("/etc/hiera/astute.yaml"))["dpdk"])'
{'ovs_socket_mem': '1024,1024,1024,1024'}
[root@lab5-fuel9 ~]#