From 43d0796dc2d7ba1706ac64fbe01af351ea349899 Mon Sep 17 00:00:00 2001
From: "Ruben S. Montero" <rsmontero@opennebula.org>
Date: Mon, 5 Apr 2021 13:21:40 +0200
Subject: [PATCH] B #-: Fix bug accesing xpath_filter

---
 src/vnm_mad/remotes/lib/vm.rb | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/vnm_mad/remotes/lib/vm.rb b/src/vnm_mad/remotes/lib/vm.rb
index e3051bddd3..c04cc60752 100644
--- a/src/vnm_mad/remotes/lib/vm.rb
+++ b/src/vnm_mad/remotes/lib/vm.rb
@@ -56,8 +56,13 @@ module VNMMAD
                 @nics = nics
 
                 nics_alias  = VNMNetwork::Nics.new(hypervisor)
-                xpath_alias = xpath_filter.gsub('TEMPLATE/NIC',
-                                                'TEMPLATE/NIC_ALIAS')
+
+                if xpath_filter.nil?
+                    xpath_alias = nil
+                else
+                    xpath_alias = xpath_filter.gsub('TEMPLATE/NIC',
+                                                    'TEMPLATE/NIC_ALIAS')
+                end
 
                 @vm_root.elements.each(xpath_alias) do |nic_element|
                     nic = nics_alias.new_nic