Function parse_lsof_output 

pub fn parse_lsof_output(
    text: &str,
    ports: &[(String, u16, u32)],
    first_seen: &mut HashMap<(u16, String), Instant>,
    now: Instant,
) -> LsofMessage

Parse lsof -iTCP -P -n output into a LsofMessage. Public for tests.