PING na61-na62.wagbridge.alibaba.alibaba.com.gds.alibabadns.com (203.119.169.168) 56(84)
bytes of data.
64 bytes from 203.119.169.168 (203.119.169.168): icmp_seq=1 ttl=84 time=319 ms
64 bytes from 203.119.169.168 (203.119.169.168): icmp_seq=3 ttl=84 time=321 ms

--- na61-na62.wagbridge.alibaba.alibaba.com.gds.alibabadns.com ping statistics ---
3 packets transmitted, 2 received, 33% packet loss, time 2001ms
rtt min/avg/max/mdev = 319.821/320.646/321.472/1.001 ms