The actual 'offload' is phony, all commands are ignored: this is only useful to test control plane code. Tag the existing callback to permit error injection to test rollback/abort code in nf_tables. This is also for fuzzers - the fault injection framework allows probabilistic error insertion. Signed-off-by: Florian Westphal <fw@strlen.de> Link: https://patch.msgid.link/20260612092209.11966-2-fw@strlen.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>