def v6_int_to_packed(address):
try:<EOL><INDENT>return _compat_to_bytes(address, <NUM_LIT:16>, '<STR_LIT>')<EOL><DEDENT>except (struct.error, OverflowError):<EOL><INDENT>raise ValueError("<STR_LIT>")<EOL><DEDENT>
Represent an address as 16 packed bytes in network (big-endian) order.

    Args:
        address: An integer representation of an IPv6 IP address.

    Returns:
        The integer address packed as 16 bytes in network (big-endian) order.