PING 10.138.21.78 (10.138.21.78) 56(84) bytes of data.
64 bytes from 10.138.21.78: icmp_req=1 ttl=56 time=2041 ms
64 bytes from 10.138.21.78: icmp_req=2 ttl=56 time=1037 ms
64 bytes from 10.138.21.78: icmp_req=3 ttl=56 time=33.9 ms
64 bytes from 10.138.21.78: icmp_req=4 ttl=56 time=22.9 ms
64 bytes from 10.138.21.78: icmp_req=5 ttl=56 time=79.1 ms

--- 10.138.21.78 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4008ms
rtt min/avg/max/mdev = 22.981/642.980/2041.669/798.115 ms, pipe 3