diff --git a/etcdserver/config.go b/etcdserver/config.go
index 9b854e682..a9ef6d288 100644
--- a/etcdserver/config.go
+++ b/etcdserver/config.go
@@ -180,7 +180,7 @@ func (c *ServerConfig) advertiseMatchesCluster() error {
 	sort.Strings(apurls)
 	ctx, cancel := context.WithTimeout(context.TODO(), 30*time.Second)
 	defer cancel()
-	ok, err := netutil.URLStringsEqual(ctx, apurls, urls.StringSlice())
+	ok, err := netutil.URLStringsEqual(ctx, c.Logger, apurls, urls.StringSlice())
 	if ok {
 		return nil
 	}
diff --git a/etcdserver/membership/cluster.go b/etcdserver/membership/cluster.go
index 7dd23430d..978d2a545 100644
--- a/etcdserver/membership/cluster.go
+++ b/etcdserver/membership/cluster.go
@@ -649,7 +649,7 @@ func clusterVersionFromStore(lg *zap.Logger, st v2store.Store) *semver.Version {
 // with the existing cluster. If the validation succeeds, it assigns the IDs
 // from the existing cluster to the local cluster.
 // If the validation fails, an error will be returned.
-func ValidateClusterAndAssignIDs(local *RaftCluster, existing *RaftCluster) error {
+func ValidateClusterAndAssignIDs(lg *zap.Logger, local *RaftCluster, existing *RaftCluster) error {
 	ems := existing.Members()
 	lms := local.Members()
 	if len(ems) != len(lms) {
@@ -661,7 +661,7 @@ func ValidateClusterAndAssignIDs(local *RaftCluster, existing *RaftCluster) erro
 	ctx, cancel := context.WithTimeout(context.TODO(), 30*time.Second)
 	defer cancel()
 	for i := range ems {
-		if ok, err := netutil.URLStringsEqual(ctx, ems[i].PeerURLs, lms[i].PeerURLs); !ok {
+		if ok, err := netutil.URLStringsEqual(ctx, lg, ems[i].PeerURLs, lms[i].PeerURLs); !ok {
 			return fmt.Errorf("unmatched member while checking PeerURLs (%v)", err)
 		}
 		lms[i].ID = ems[i].ID
diff --git a/etcdserver/membership/cluster_test.go b/etcdserver/membership/cluster_test.go
index d3a1e733a..e5c2333c9 100644
--- a/etcdserver/membership/cluster_test.go
+++ b/etcdserver/membership/cluster_test.go
@@ -239,7 +239,7 @@ func TestClusterValidateAndAssignIDsBad(t *testing.T) {
 	for i, tt := range tests {
 		ecl := newTestCluster(tt.clmembs)
 		lcl := newTestCluster(tt.membs)
-		if err := ValidateClusterAndAssignIDs(lcl, ecl); err == nil {
+		if err := ValidateClusterAndAssignIDs(zap.NewExample(), lcl, ecl); err == nil {
 			t.Errorf("#%d: unexpected update success", i)
 		}
 	}
@@ -266,7 +266,7 @@ func TestClusterValidateAndAssignIDs(t *testing.T) {
 	for i, tt := range tests {
 		lcl := newTestCluster(tt.clmembs)
 		ecl := newTestCluster(tt.membs)
-		if err := ValidateClusterAndAssignIDs(lcl, ecl); err != nil {
+		if err := ValidateClusterAndAssignIDs(zap.NewExample(), lcl, ecl); err != nil {
 			t.Errorf("#%d: unexpect update error: %v", i, err)
 		}
 		if !reflect.DeepEqual(lcl.MemberIDs(), tt.wids) {
diff --git a/etcdserver/server.go b/etcdserver/server.go
index 8270faca5..8ad0ce5b0 100644
--- a/etcdserver/server.go
+++ b/etcdserver/server.go
@@ -340,7 +340,7 @@ func NewServer(cfg ServerConfig) (srv *EtcdServer, err error) {
 		if gerr != nil {
 			return nil, fmt.Errorf("cannot fetch cluster info from peer urls: %v", gerr)
 		}
-		if err = membership.ValidateClusterAndAssignIDs(cl, existingCluster); err != nil {
+		if err = membership.ValidateClusterAndAssignIDs(cfg.Logger, cl, existingCluster); err != nil {
 			return nil, fmt.Errorf("error validating peerURLs %s: %v", existingCluster, err)
 		}
 		if !isCompatibleWithCluster(cfg.Logger, cl, cl.MemberByName(cfg.Name).ID, prt) {