Convert qemu node from 1.X to 2.0

def _convert_qemu_node(node, old_node):
    """
    Convert qemu node from 1.X to 2.0
    """

    # In 2.0 the internet VM is replaced by the NAT node
    if old_node.get("properties", {}).get("hda_disk_image_md5sum") == "8ebc5a6ec53a1c05b7aa101b5ceefe31":
        node["console"] = None
        node["console_type"] = None
        node["node_type"] = "nat"
        del old_node["properties"]
        node["properties"] = {
            "ports": [
                {
                    "interface": "eth1",
                    "name": "nat0",
                    "port_number": 0,
                    "type": "ethernet"
                }
            ]
        }
        if node["symbol"] is None:
            node["symbol"] = ":/symbols/cloud.svg"
        return node

    node["node_type"] = "qemu"
    if node["symbol"] is None:
        node["symbol"] = ":/symbols/qemu_guest.svg"
    return node