From 09baeec0dabc24050f344272ed36e39687c2b4e8 Mon Sep 17 00:00:00 2001
From: Zsolt Felfoldi <zsfelfoldi@gmail.com>
Date: Fri, 11 Nov 2016 03:10:46 +0100
Subject: [PATCH] discv5: fixed state machine lockup bug

---
 p2p/discv5/net.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/p2p/discv5/net.go b/p2p/discv5/net.go
index afc92e99f..b08cd2bc7 100644
--- a/p2p/discv5/net.go
+++ b/p2p/discv5/net.go
@@ -863,6 +863,9 @@ func init() {
 		name: "verifywait",
 		handle: func(net *Network, n *Node, ev nodeEvent, pkt *ingressPacket) (*nodeState, error) {
 			switch ev {
+			case pingPacket:
+				net.handlePing(n, pkt)
+				return verifywait, nil
 			case pongPacket:
 				err := net.handleKnownPong(n, pkt)
 				return known, err