ipv4 tcp -t 1 tx=14903 (930 MB) txc=0 zc=n rx=7452 (930 MB) ipv4 tcp -z -t 1 tx=9877 (616 MB) txc=9877 zc=n rx=4939 (616 MB) ok ipv6 tcp -t 1 tx=14757 (920 MB) txc=0 zc=n rx=7379 (920 MB) ipv6 tcp -z -t 1 tx=10785 (673 MB) txc=10785 zc=n rx=5393 (673 MB) ok OK. All tests passed :: [ PASS ] :: Test '21..57 selftests: net:msg_zerocopy.sh [PASS]'