code: def _hex_to_octets(addr):
      '''
      Convert hex fields from /proc/net/route to octects
      '''
      return '{0}:{1}:{2}:{3}'.format(
          int(addr[6:8], 16),
          int(addr[4:6], 16),
          int(addr[2:4], 16),
          int(addr[0:2], 16),
      f _hex_to_octets(addr):
      '''
      Convert hex fields from /proc/net/route to octects
      '''
      return '{0}:{1}:{2}:{3}'.format(
          int(addr[6:8], 16),
          int(addr[4:6], 16),
          int(addr[2:4], 16),
          int(addr[0:2], 16),
      )
docs: Convert hex fields from /proc/net/route to octects