Resolvido dessa maneira conforme e-mail recebido de (PJSingh5000 <1363785@bugs.launchpad.net>)
# Remove icedtea-7-plugin openjdk-7-jre, if you have them installed
$ sudo apt-get autoremove --purge icedtea-7-plugin openjdk-7-jre
# Install openjdk-7-jre
$ sudo apt-get install openjdk-7-jre
# Use the workaround proposed in post #14: create a link to java-7-openjdk-amd64
$ sudo ln -sv /usr/lib/jvm/java-7-openjdk-amd64 /usr/lib/jvm/java-8-openjdk-amd64
# Install the iced tea plugin
$ sudo apt-get install icedtea-7-plugin