On Thu, 2021-09-23 at 21:23 +0530, Gokul Sivakumar wrote: > The symbol NL_CAPABILITY_VERSION_3_5_0 is part of the libnl library and > this will be defined when using the libnl library version >= 3.5.0. > From libnl 3.5.0, the library itself handles setting NLA_F_NESTED flag > when using nla_nest_start() lib function. Please refer the > commit 7de65a0 ("attr: mark nested attributes as NLA_F_NESTED") in libnl > gitub tree (https://github.com/thom311/libnl/commit/7de65a0). > Huh ok, I guess I missed the memo on the (official?) tree moving ... johannes