ctx := context.WithValue(context.Background(), nettrace.LookupIPAltResolverKey{}, func(ctx context.Context, network, host string) ([]net.IPAddr, error) {
		if host != "dns-is-faked.golang" {
			t.Errorf("unexpected DNS host lookup for %q/%q", network, host)
			return nil, nil
		}
		return []net.IPAddr{{IP: net.ParseIP(ip)}}, nil
	})

	body := "some body"

#
# Arguments:
#   $1 - VM name
#   $2 - VM zone
#   $3 - external static IP; if empty will use an ephemeral IP address.
function attach-external-ip() {
  local NAME=${1}
  local ZONE=${2}
  local IP_ADDR=${3:-}
  local ACCESS_CONFIG_NAME
  ACCESS_CONFIG_NAME=$(gcloud compute instances describe "${NAME}" \
    --project "${PROJECT}" --zone "${ZONE}" \
    --format="value(networkInterfaces[0].accessConfigs[0].name)")

	ldr.SetAttrLocal(s, true)
	ctxt.xdefine("runtime.egcdata", sym.SRODATA, ldr.SymAddr(s)+ldr.SymSize(s))
	ldr.SetSymSect(ldr.LookupOrCreateSym("runtime.egcdata", 0), ldr.SymSect(s))

	s = ldr.LookupOrCreateSym("runtime.gcbss", 0)
	ldr.SetAttrLocal(s, true)
	ctxt.xdefine("runtime.egcbss", sym.SRODATA, ldr.SymAddr(s)+ldr.SymSize(s))
	ldr.SetSymSect(ldr.LookupOrCreateSym("runtime.egcbss", 0), ldr.SymSect(s))

			"Unable to obtain a list of the node's unicast interface addresses."))
	}
	for _, addr := range addrs {
		var ip net.IP
		switch v := addr.(type) {
		case *net.IPNet:
			ip = v.IP
		case *net.IPAddr:
			ip = v.IP
		}
		if ip.IsLoopback() || ip.IsLinkLocalUnicast() {
			continue
		}
		successTest := test{
			nodeIP:   ip.String(),
			success:  true,