greepplum "Interconnect encountered a network error, please check your network (seg1 slice1 机器名:端口 pid=7488)","Failed to send packet (seq 1) to IP:端口 (pid 5582 cid 3) after 3581 retries in 3600 seconds"

1.环境：ETL机器 windows机，网段10.171.64 Greenplum机器 3台linux，网段10.25.143， 2台10.174.13，均是阿里云机器，greenplum版本4.3.9.0
2.执行批量copy或insert操作时，容易出现该错误
3.关于这个问题，提示是网络原因导致，如果是网络不稳定导致抖动，报错提示有重试了多少次，即使不稳定，不断重试应该也是可以执行成功。
4.具体错误：
2017-02-17 01:26:59.357701 CST,"user","db",p7453,th-1987737824,"IP","53545",2017-02-17 00:26:54 CST,52975354,con998,cmd9,seg-1,,dx4673326,x52975354,sx1,"ERROR","58M01","Interconnect encountered a network error, please check your network (seg1 slice1机器名:40001 pid=7488)","Failed to send packet (seq 1) to IP:4789 (pid 5582 cid 3) after 3581 retries in 3600 seconds",,,,,"insert into ...."
求解答～ 感谢～