On Wed, Jul 5, 2017 at 8:59 AM, Mahesh Bandewar (महेश बंडेवार) <mahe...@google.com> wrote: > Systems have only one lo device (since ages) and that is usually taken > care at the boot time. Now with the namespaces it's not just one > device as it's per namespace and though not much this patch will > benefit a little. Probably we should ask a question - is it going to > have any bad effects? I couldn't find any and my RFC patch did not get > me any such feedback. As far as the good effects are concerned, it has > already found a bug (another patch in this series)! Also sometime back > I did experience weird behavior inside net-namespace if you forget to > bring-up the loopback device. I didn't pay too much attention as > bringing up the lo device fixed it. >
I wonder if it is too late to change this since this behavior is probably from the beginning of network namespace. A networkless netns is also useful at least for testing purpose, we do use it as a sandbox.
