bpf: Trace decrypted or non-encrypt traffic to stack
bpf: Trace decrypted or non-encrypt traffic to stack

Send a trace notification when traffic that should be encrypted, or
traffic with no encrypt/proxy logic, passes through the hostdev prog.

Signed-off-by: Joe Stringer <16a9a54ddf4259952e3c118c763138e83693d7fd@cilium.io>

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