bpf: Don't use hardcoded skb->cb offsets
bpf: Don't use hardcoded skb->cb offsets

Signed-off-by: Paul Chaignon <a027184a55211cd23e3f3094f1fdc728df5e0500@cilium.io>

cilium/cilium,cilium/cilium,cilium/cilium,cilium/cilium,cilium/cilium