Re: network interfaces called "all", "default" or "config"

[Cong Wang]

On Thu, Aug 14, 2014 at 2:41 AM, Stephane Chazelas
<stephane.chazelas@xxxxxxxxx> wrote:
> By the way, this is related:
>
> $ ip link add link eth0 eth0:123 type vlan id 123
> $ ip link del link eth0 eth0:123
> RTNETLINK answers: Operation not supported

Kernel reads "eth0:123" as an alias of "eth0", so it will just
truncate the dev name into "eth0":


        ifr.ifr_name[IFNAMSIZ-1] = 0;

        colon = strchr(ifr.ifr_name, ':');
        if (colon)
                *colon = 0;
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