$ python bypass.py -i eth0 -r 10.5.192.0/24  

$ python bypass.py  -h
Usage: bypass.py [options]

Options:
  -h, --help      show this help message and exit
  -i INTERFACENO  Network interface (e.g. eth0)
  -r IPRANGE      Local network IP range (e.g. 192.168.0.1/24)