Issue description
In an etcd cluster (3 nodes), when one of the nodes fails. The following error message will be printed in the error.log:

But this does not affect the normal operation of APISIX. Such error log information can make people misunderstand that etcd is unavailable. Can we not output error log information when a node fails in etcd cluster?
Issue description
In an etcd cluster (3 nodes), when one of the nodes fails. The following error message will be printed in the error.log:
But this does not affect the normal operation of APISIX. Such error log information can make people misunderstand that etcd is unavailable. Can we not output error log information when a node fails in etcd cluster?