diff --git a/src/net/net.go b/src/net/net.go
index 2ff1a34..3b37b33 100644
--- a/src/net/net.go
+++ b/src/net/net.go
@@ -364,6 +364,9 @@
 
 // Various errors contained in OpError.
 var (
+	// For connection setup operations.
+	errNoSuitableAddress = errors.New("no suitable address found")
+
 	// For connection setup and write operations.
 	errMissingAddress = errors.New("missing address")