wip: new(driver/modern_bpf): home-made bpf_loop for sendmmsg and recvmmsg. #7309

Job	Run time
build-libs-linux-amd64-static 🎃	3m 4s
build-libs-linux-amd64 😁 (system_deps)	3m 5s
build-shared-libs-linux-amd64 🧐	3m 16s
build-libs-linux-amd64 😁 (bundled_deps)	3m 3s
build-libs-linux-amd64 😁 (system_deps_minimal)	3m 5s
build-libs-emscripten 🧐	3m 18s
build-libs-others-amd64 😨 (windows-latest, MultiThreaded)	3m 7s
build-libs-linux-amd64 😁 (sanitizers)	3m 4s
build-libs-others-amd64 😨 (windows-latest, MultiThreadedDLL)	3m 7s
build-libs-linux-amd64 😁 (zig)	3m 3s
build-shared-libs-macos-amd64 😨	1m 21s
build-libs-others-amd64 😨 (macos-latest)	2m 21s
build-libs-linux-arm64 😁 (system_deps)	3m 6s
build-libs-linux-arm64 😁 (bundled_deps)	3m 6s
build-libs-linux-arm64 😁 (system_deps_minimal)	3m 6s
run-e2e-tests-amd64 (system_deps)	3m 15s
test-libs-static (bundled_deps)	3m 16s
build-libs-linux-arm64 😁 (sanitizers)	3m 6s
run-e2e-tests-amd64 (bundled_deps)	3m 18s
run-e2e-tests-amd64 (asan)	3m 14s
build-libs-linux-arm64 😁 (zig)	3m 6s
	1h 3m 27s

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