PING 10.138.21.69 (10.138.21.69) 56(84) bytes of data.
64 bytes from 10.138.21.69: icmp_req=1 ttl=247 time=27.7 ms
64 bytes from 10.138.21.69: icmp_req=2 ttl=247 time=26.2 ms
64 bytes from 10.138.21.69: icmp_req=3 ttl=247 time=51.2 ms
64 bytes from 10.138.21.69: icmp_req=4 ttl=247 time=66.8 ms
64 bytes from 10.138.21.69: icmp_req=5 ttl=247 time=116 ms

--- 10.138.21.69 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4001ms
rtt min/avg/max/mdev = 26.292/57.635/116.116/32.934 ms