
Some jobs need to start with a clean slate of firewall rules so that they can manage their own rules. Add a simple role that clears out everything. Change-Id: I92d3b02a6bd4f19460294ca5293dfbbd67bfd295
Clear firewall rules from test nodes
Some test workloads manage all of their own firewall rules, and pre-existing firewall rules can pollute the system. This role clears out firewall rules for both ipv4 and ipv6.