ARP watch for 192.168.0.104 (demo-hp vmbr0 7c:d3:0a:77:d9:76), every 10 s for 30 min, from 10:59:56 UTC; a line is written on every change
10:59:56 mac=7c:d3:0a:77:d9:76 ssh=open
end 11:29:59: 180 samples, 0 not demo-hp's MAC
