Merge pull request moby#44667 from masibw/44610-logs-for-DNS-failures

libnetwork: improve logs for DNS failures
nicks · Dec 22, 2022 · 3330fc2 · 3330fc2
2 parents bcb8f69 + 0787ea8
commit 3330fc2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libnetwork/resolver.go b/libnetwork/resolver.go
@@ -501,7 +501,7 @@ func (r *resolver) ServeDNS(w dns.ResponseWriter, query *dns.Msg) {
 			// client can retry over TCP
 			if err != nil && (resp == nil || !resp.Truncated) {
 				r.forwardQueryEnd()
-				logrus.WithError(err).Debugf("[resolver] failed to read from DNS server")
+				logrus.WithError(err).Warnf("[resolver] failed to read from DNS server: %s, query: %s", extConn.RemoteAddr().String(), query.Question[0].String())
 				continue
 			}
 			r.forwardQueryEnd()