From 6c5d673a6721a532c6c85f35a62d39f87f54e47a Mon Sep 17 00:00:00 2001
From: kvaps <kvapss@gmail.com>
Date: Mon, 18 Dec 2017 15:05:08 +0100
Subject: [PATCH] fix: https://github.com/OpenNebula/one/issues/1524 (#1526)

(cherry picked from commit 514fbb9f4bf7d7ca070db0887abe42e12c5bb870)
---
 src/vmm_mad/remotes/kvm/poll | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vmm_mad/remotes/kvm/poll b/src/vmm_mad/remotes/kvm/poll
index 8c28f745ae..937e658134 100755
--- a/src/vmm_mad/remotes/kvm/poll
+++ b/src/vmm_mad/remotes/kvm/poll
@@ -348,7 +348,7 @@ module KVM
             values[:diskwriops]=0
 
             disks.each do |disk|
-                text=`#{virsh(:domblkstat)} #{vmid} #{disk}`
+                text=`#{virsh(:domblkstat)} #{vmid} #{disk} 2>/dev/null`
 
                 text.each_line do |line|
                     columns=line.split(/\s+/)