The package golang-github-grpc-ecosystem-go-grpc-middleware 1.2.2-2 has been added to kali-rolling. It has been imported from Debian: https://tracker.debian.org/pkg/golang-github-grpc-ecosystem-go-grpc-middleware -- More information about golang-github-grpc-ecosystem-go-grpc-middleware: http://pkg.kali.org/pkg/golang-github-grpc-ecosystem-go-grpc-middleware