This is a tracking item for having e2e IPv6 support in HDFS.
Nate did great ground work in
HDFS-8078 but for having whole feature working e2e this one of the items missing.
Basically today NN won't be able to parse IPv6 addresses if they are present in include or exclude list.
Patch has a dependency (and has been tested on IPv6 only cluster) on top of
This should be committed to HADOOP-11890 branch.