Save list of port open and listing ports.
Save list of port open and listing ports.

This patch saves the output of netstat -tulpn to netstat.txt in LOG_DIR

Change-Id: I05e0194033e77efc64ab17ff189ea3abf4173a14

openstack/puppet-openstack-integration,openstack/puppet-openstack-integration,openstack/puppet-openstack-integration