we are using CentOS Linux release 7.3.1611 (Core) .We installed all packages mentioned  in that document.[root@bgl-netconf ~]# yum install epel-release libssh-devel gcc-c++Loaded plugins: fastestmirror, langpacks, prioritiesLoading mirror speeds from...

I am getting below error while installing ydk    pybind11 include: /root/nacm/nacm_env/include/site/python3.4;/root/nacm/nacm_env/include/site/python3.4    CMake Error: The following variables are used in this project, but they are set to NOTFOUND.  ...