I have found the error message in coredns pod’s log as “[ERROR] plugin/errors: 2 7255271478371182913.3521545168331428516. HINFO: read udp 172.20.0.23:37025->:53: i/o timeout” in kubernetes v1.18.5. Please kindly help.
What is the effect of this error? What is the problem we are investigating? Also how would we reproduce the error?
I don’t know about the impact and found the message in /var/log/messages when restart service kubelet. Have you ever found this message?