source $LIBDIR/env/lib/common.sh
+if [[ $EUID -ne 0 ]]; then
+ echo "This script must be run as root"
+ exit 1
+fi
+
function get_default_inteface_ipaddress() {
local _ip=$1
local _default_interface=$(awk '$2 == 00000000 { print $1 }' /proc/net/route)