Ip link :: RTNETLINK answers: File exists Issue ?

[WoodProgrammer]

Hello, I have tried your script on my dev environment line by line but CNI plugin is returning RTNETLINK answers: File exists error when ADD command executed on script .

How I can fix that ?

[WoodProgrammer]

this is the link of the issue that, I mentioned at above :: https://github.com/eranyanay/cni-from-scratch/blob/master/my-cni-demo#L27

[SMALL-head]

use a tmp name for $CNI_IFNAME and then rename it to $CNI_IFNAME in ns