def nla_total_size(payload):
return int(NLA_ALIGN(nla_attr_size(payload)))<EOL>
Return size of attribute including padding.

    https://github.com/thom311/libnl/blob/libnl3_2_25/lib/attr.c#L73

     <----------- nla_total_size(payload) ----------->
    +------------------+- - -+- - - - - - - - - +- - -+
    | Attribute Header | Pad |     Payload      | Pad |
    +------------------+- - -+- - - - - - - - - +- - -+

    Positional arguments:
    payload -- payload length of attribute (integer).

    Returns:
    Size of attribute in bytes (integer).