Add support for netgroup, based on patch in the PR but made consistent with existing style.
Add support for netgroup, based on patch in the PR but made consistent
with existing style.

PR:		bin/132692

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase