buildx failed with: ERROR: failed to solve: failed to push gpu-ghcr.io/vida-nyu/ptgctl:main: failed to do request: Head "https://gpu-ghcr.io/v2/vida-nyu/ptgctl/blobs/sha256:066e68d55aec84800d8666c846328de25634e7c3ca12d164d1b8c1df8eebbd6c": dial tcp: lookup gpu-ghcr.io on 168.63.129.16:53: no such host