message: smoke: enable CGO when perform nydusify smoke test
  Thus to perform race check.
diff: @@ -20,4 +20,4 @@ ut:
  @go test -count=1 -v -timeout 20m -race ./pkg/...
  build-smoke: ut
  - @CGO_ENABLED=0 ${PROXY} GOOS=linux go test -race -v -c -o ./nydusify-smoke ./tests
  + ${PROXY} GOOS=linux go test -race -v -c -o ./nydusify-smoke ./tests
  