anyway thanks for the reply. let me look on what you said and learn On Tue, Apr 2, 2019 at 1:15 AM Florian Westphal <fw@xxxxxxxxx> wrote: > > Jeffrin Thalakkottoor <jeffrin@xxxxxxxxxxxxxxxxxxx> wrote: > > i think the script nft_nat.sh is assuming devices eth0 and eth1 > > No it does not. > These are arbitrary names given to veth devices. > > > Error: Unknown device type. > > No Veth device support in kernel? -- software engineer rajagiri school of engineering and technology