Updates #5162 Change-Id: Id7bdec303b25471f69d542f8ce43805328d56c12 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
So we can generate IPv6 ping replies. Change-Id: I79a9a38d8aa242e5dfca4cd15dfaffaea6cb1aee Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>