The last release moved arping to /usr/bin. That breaks compatibility with scripts that might call arping via its full path, which was originally /sbin/arping (or even /usr/sbin/arping). See https://bugzilla.redhat.com/show_bug.cgi?id=1773196.
FEDORA-2020-dc890dd1da has been submitted as an update to Fedora 31. https://bodhi.fedoraproject.org/updates/FEDORA-2020-dc890dd1da
iputils-20190515-5.fc31 has been pushed to the Fedora 31 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2020-dc890dd1da
iputils-20190515-5.fc31 has been pushed to the Fedora 31 stable repository. If problems still persist, please make note of it in this bug report.