dconn.py

#!/usr/bin/env python3
# filter disinct connections by 4-tuples from tcpdump output
pairs = set()

while (line := input()):
    time, family, orig, _, dest, remaining = line.split(maxsplit=5)
    dest = dest[:-1]
    if (orig, dest) not in pairs:
        print(f"{orig} > {dest}, {time}, {remaining}")
        pairs.add((orig, dest))