duplicate-font-filealso in (fonts-glyphicons-halflings fonts-glyphicons-halflings)[usr/share/postfixadmin/public/css/bootstrap-3.4.1-dist/fonts/glyphicons-halflings-regular.ttf]
embedded-javascript-libraryplease use libjs-bootstrap[usr/share/postfixadmin/public/css/bootstrap-3.4.1-dist/js/bootstrap.js]