buildx failed with: ERROR: failed to solve: process "/bin/sh -c echo \"Platform ${LINUX_ARCH}\" && printenv && cat plugin.cfg && mkdir -p build/linux/${TARGETARCH} && make gen && CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags=\"-s -w -X github.com/coredns/coredns/coremain.GitCommit=092c1444-dirty\" -o build/linux/${TARGETARCH}/coredns" did not complete successfully: exit code: 1