From: Stefano Brivio
Date: Thu, 3 May 2018 18:13:25 +0200
> If an OVS_ATTR_NESTED attribute type is found while walking
> through netlink attributes, we call nlattr_set() recursively
> passing the length table for the following nested attributes, if
> different from the current one.
>
> However
If an OVS_ATTR_NESTED attribute type is found while walking
through netlink attributes, we call nlattr_set() recursively
passing the length table for the following nested attributes, if
different from the current one.
However, once we're done with those sub-nested attributes, we
should continue wa