Please update ettercap to the latest upstream release 0.8.3 [1]. Thanks [1] https://github.com/Ettercap/ettercap/releases/tag/v0.8.3
*** Bug 1795657 has been marked as a duplicate of this bug. ***
FEDORA-2020-52eab3a433 has been submitted as an update to Fedora 31. https://bodhi.fedoraproject.org/updates/FEDORA-2020-52eab3a433
Thanks
ettercap-0.8.3-1.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-2020-52eab3a433
ettercap-0.8.3-1.fc31 has been pushed to the Fedora 31 stable repository. If problems still persist, please make note of it in this bug report.