You may want to have a try on virtio-user to avoid your user space code calling recvmsg/sendmsg, instead, a (or severals) vhost kthread(s) will do that for you.

You may want to have a try on virtio-user to avoid your user space code calling recvmsg/sendmsg, instead, a (or severals) vhost kthread(s) will do that for you. Unfortunately, there is a proper virtio-net driver in Go.