usage: pyroute2-decoder [-h] [-c CLS] [-d DATA] [-f FORMAT] [-m MATCH]

options:
  -h, --help           show this help message and exit
  -c, --cls CLS        message class to use for decoding the data
  -d, --data DATA      data dump file
  -f, --format FORMAT  data file format: hex, pcap
  -m, --match MATCH    match protocol family (only for pcap data)