Reload iptables instead of restart
Reload iptables instead of restart

Due to bz#1520534, restarting iptables may cause unrelated kernel
modules to be unloaded. In order to not trigger this condition we should
reload iptables from the configuration rather than restart the whole
process.

Change-Id: Ifc625eb51f6cc2a0a4cf4f83ac7a4978db641d75
Closes-Bug: #1752441
Closes-Bug: #1753492

openstack/puppet-tripleo,openstack/puppet-tripleo,openstack/puppet-tripleo