Description of problem:
We need to upgrade the version of Netty used by Cassandra. See bug 1092799 for details.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
Changes have been pushed to master.
master commit hash: 38d128338ff4
Moving to ON_QA as available to test with brew build of DR01: https://brewweb.devel.redhat.com//buildinfo?buildID=373993