$ git clone -n https://src.fedoraproject.org/rpms/mlpack.git /var/lib/mock/f38-build-729075-101670/root/chroot_tmpdir/scmroot/mlpack
Cloning into '/var/lib/mock/f38-build-729075-101670/root/chroot_tmpdir/scmroot/mlpack'...
error: RPC failed; curl 16 Error in the HTTP2 framing layer
fatal: the remote end hung up unexpectedly