rmor-kma03 etcd: timed out waiting for read index response (local node might have slow network)

[Abuba-369]

Last few days we received the alert for one of the etcd member has 5 etcd nodes,

"timed out waiting for read index response (local node might have slow network)"

Feb 20 15:24:17 rmor-kma03 etcd: read-only range request "key:"/registry/cronjobs/default/lp-cxreportingetl-cron-rtbfjob" " with result "error:etcdserver: request timed out" took too long (7.00029453s) to execute

After some time etcd back to ,

Feb 20 15:25:19 rmor-kma03 etcd: finished scheduled compaction at 1944642251 (took 218.681868ms)

[Abuba-369]

Can someone please assist what cause the issue?