selftests: netfilter: extend nfqueue tests to cover vrf device

VRF device calls the output/postrouting hooks so packet should be seeon
with oifname tvrf and once with eth0.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
1 file changed