What is the problem when I use \partial with package garamond

Question

Here is the source

\documentclass[a4paper,12pt]{article}
\usepackage{amsmath,amsfonts,amssymb,mathrsfs,mathtools}
\usepackage{ebgaramond,newtxmath,ebgaramond-maths}
\begin{document}

$\partial$

\end{document}