testing: enable generic XDP tests for NodePort in CI
testing: enable generic XDP tests for NodePort in CI

Add tests for generic XDP under DSR/SNAT/Hybrid modes to our CI and also
test base functionality to make sure all the rest is working as expected
when XDP is attached.

Signed-off-by: Daniel Borkmann <3d0f3b9ddcacec30c4008c5e030e6c13a478cb4f@iogearbox.net>

cilium/cilium,cilium-team/cilium,tgraf/cilium,tgraf/cilium,tgraf/cilium,tgraf/cilium,michi-covalent/cilium,michi-covalent/cilium,michi-covalent/cilium,tklauser/cilium,tklauser/cilium,cilium/cilium,tgraf/cilium,cilium-team/cilium,cilium/cilium,cilium/cilium,tklauser/cilium,tklauser/cilium,tklauser/cilium,michi-covalent/cilium,michi-covalent/cilium,tgraf/cilium,cilium/cilium