1*05b00f60SXin Li 1 13:21:56.928550 IP (tos 0x0, ttl 64, id 24704, offset 0, flags [DF], proto UDP (17), length 76) 2*05b00f60SXin Li 132.199.152.129.49445 > 132.199.4.1.123: [udp sum ok] NTPv4, Client, length 48 3*05b00f60SXin Li Leap indicator: clock unsynchronized (192), Stratum 0 (unspecified), poll 8 (256s), precision 0 4*05b00f60SXin Li Root Delay: 0.000000, Root dispersion: 0.000000, Reference-ID: (unspec) 5*05b00f60SXin Li Reference Timestamp: 0.000000000 6*05b00f60SXin Li Originator Timestamp: 0.000000000 7*05b00f60SXin Li Receive Timestamp: 0.000000000 8*05b00f60SXin Li Transmit Timestamp: 3712483316.928478999 (2017-08-23T13:21:56Z) 9*05b00f60SXin Li Originator - Receive Timestamp: 0.000000000 10*05b00f60SXin Li Originator - Transmit Timestamp: 3712483316.928478999 (2017-08-23T13:21:56Z) 11*05b00f60SXin Li 2 13:21:56.928851 IP (tos 0xb8, ttl 62, id 8834, offset 0, flags [DF], proto UDP (17), length 76) 12*05b00f60SXin Li 132.199.4.1.123 > 132.199.152.129.49445: [udp sum ok] NTPv4, Server, length 48 13*05b00f60SXin Li Leap indicator: (0), Stratum 2 (secondary reference), poll 8 (256s), precision -24 14*05b00f60SXin Li Root Delay: 0.000320, Root dispersion: 0.036407, Reference-ID: 0x84c707c9 15*05b00f60SXin Li Reference Timestamp: 3712482106.337741360 (2017-08-23T13:01:46Z) 16*05b00f60SXin Li Originator Timestamp: 3712483316.928478999 (2017-08-23T13:21:56Z) 17*05b00f60SXin Li Receive Timestamp: 3712483316.929920629 (2017-08-23T13:21:56Z) 18*05b00f60SXin Li Transmit Timestamp: 3712483316.929948437 (2017-08-23T13:21:56Z) 19*05b00f60SXin Li Originator - Receive Timestamp: +0.001441629 20*05b00f60SXin Li Originator - Transmit Timestamp: +0.001469437 21