The package golang-github-golang-protobuf-1-3 1.3.5-4 has been added to kali-rolling. It has been imported from Debian: https://tracker.debian.org/pkg/golang-github-golang-protobuf-1-3 -- More information about golang-github-golang-protobuf-1-3: http://pkg.kali.org/pkg/golang-github-golang-protobuf-1-3