Improve tracking of failure events in install_lxd.sh

Change-Id: I49bdaf5321912463ab287d7e2493951eee4a05e8
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/install_lxd.sh b/installers/install_lxd.sh
index 7395c73..0bf6d23 100755
--- a/installers/install_lxd.sh
+++ b/installers/install_lxd.sh
@@ -53,11 +53,11 @@
     if [ -n "${OSM_DEFAULT_IF}" ]; then
         OSM_DEFAULT_IF=$(ip route list|awk '$1=="default" {print $5; exit}')
         [ -z "${OSM_DEFAULT_IF}" ] && OSM_DEFAULT_IF=$(route -n |awk '$1~/^0.0.0.0/ {print $8; exit}')
-        [ -z "${OSM_DEFAULT_IF}" ] && FATAL "Not possible to determine the interface with the default route 0.0.0.0"
+        [ -z "${OSM_DEFAULT_IF}" ] && FATAL_TRACK lxd "Not possible to determine the interface with the default route 0.0.0.0"
     fi
     DEFAULT_MTU=$(ip addr show ${OSM_DEFAULT_IF} | perl -ne 'if (/mtu\s(\d+)/) {print $1;}')
     OSM_DEFAULT_IP=`ip -o -4 a s ${OSM_DEFAULT_IF} |awk '{split($4,a,"/"); print a[1]; exit}'`
-    [ -z "$OSM_DEFAULT_IP" ] && FATAL "Not possible to determine the IP address of the interface with the default route"
+    [ -z "$OSM_DEFAULT_IP" ] && FATAL_TRACK lxd "Not possible to determine the IP address of the interface with the default route"
 
     # Configure LXD
     sudo usermod -a -G lxd `whoami`