vhost0 dhcp workaround

if [[ $# != 1 ]]; then
    echo "Usage ./sd_util <physical_intf_name>"
    exit
fi

intf_name=$1
if [[ ! -d /sys/class/net/$intf_name ]]; then
    echo "Interface not found, script should be run with argo stopped"
    exit
fi

intf_id=`cat /sys/class/net/$intf_name/ifindex`
if [[ ! -f /run/systemd/netif/leases/$intf_id ]]; then
    echo "DHCP lease file not found\n"
    exit
fi

if [[ ! -f /run/systemd/netif/leases/$intf_id ]]; then
     echo "DHCP file not present try after sometime\n"
     exit
fi

source /run/systemd/netif/leases/$intf_id
echo "Client ID $CLIENTID"
string2=${CLIENTID:2:9}
iaid=$((16#$string2))

cat << EOF >/etc/systemd/network/10-vhost-dhcp.network
[Match]
Name=vhost0

[Network]
DHCP=yes

[DHCP]
IAID=$iaid
EOF