docs: def weird_log_graph(self, stream):
          ''' Build up a graph (nodes and edges from a Bro weird.log) '''
          weird_log = list(stream)
          print 'Entering weird_log_graph...(%d rows)' % len(weird_log)
  
          # Here we're just going to capture that something weird
          # happened between two hosts
          weird_pairs = set()
          for row in weird_log:
              weird_pairs.add((row['id.orig_h'], row['id.resp_h']))
  
          # Okay now make the weird node for each pair
          for pair in weird_pairs:
  
              # Skip '-' hosts
              if (pair[0] == '-'):
                  continue
  
              # Add the originating host
              self.add_node(pair[0], pair[0], ['host', 'origin'])
  
              # Add the response host
              self.add_node(pair[1], pair[1], ['host'])
  
              # Add a weird node
              weird_name = 'weird'+pair[0]+'_'+pair[1]
              self.add_node(weird_name, 'weird', ['weird'])
  
              # The relationships between the nodes
              self.add_rel(pair[0], weird_name, 'weird')
              self.add_rel(weird_name, pair[1], 'weird')