PING 10.138.15.81 (10.138.15.81) 56(84) bytes of data.
64 bytes from 10.138.15.81: icmp_req=1 ttl=61 time=14.3 ms
64 bytes from 10.138.15.81: icmp_req=2 ttl=61 time=4.78 ms
64 bytes from 10.138.15.81: icmp_req=3 ttl=61 time=3.98 ms
64 bytes from 10.138.15.81: icmp_req=4 ttl=61 time=4.54 ms
64 bytes from 10.138.15.81: icmp_req=5 ttl=61 time=31.1 ms

--- 10.138.15.81 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 3999ms
rtt min/avg/max/mdev = 3.982/11.762/31.128/10.423 ms