ovs-ofctl add-flow <%= @bridge -%>
 <%- @attributes.each_with_index do |attrib, idx| -%>
<% if idx == 0 %> <% else -%>,<% end -%>
<%= attrib[0] -%>=<%= attrib[1] -%>
<%- end -%>
,actions=<%- @actions.each_with_index do |action, idx| -%>
<%- if idx > 0 -%>,<%- end -%>
<%= action['type'] -%>:<%= action['value'] -%>
<%- end -%>