add gateway for nuq01, explicit excludes for ipv6 on svg01 & vie01, add nuq0T for testing nodes
add gateway for nuq01, explicit excludes for ipv6 on svg01 & vie01, add nuq0T for testing nodes

m-lab/mlab-ops,m-lab/mlab-ops,m-lab/mlab-ops,m-lab/mlab-ops,m-lab/mlab-ops