1 1 13:21:56.928550 IP 132.199.152.129.49445 > 132.199.4.1.123: NTPv4, Client, length 48 2 2 13:21:56.928851 IP 132.199.4.1.123 > 132.199.152.129.49445: NTPv4, Server, length 48 3