I ran into this error today when I reformatted my laptop to install Fedora 20.
I installed VMware Player, however whenever I went to launch it I received a vmnet build error:
vthread-3| W110: Failed to build vmnet. Â Failed to execute the build command.
On kernels 3.13Â that have enabled the network packet filtering framework (Netfilter) will fail to build the vmnet module.
To fix this issue, which I found on the ArchWiki:
It took a bit of digging for me to find this link – so I thought I would put it somewhere more easily accessible for if (when) I run into this error again.