code: func stringify(pluginArgs [][2]string) string {
  	entries := make([]string, len(pluginArgs))
  
  	for i, kv := range pluginArgs {
  		entries[i] = strings.Join(kv[:], "=")
  	}
  
  	return strings.Join(entries, ";")
  }
docs: // taken from rkt/networking/net_plugin.go