ipv4 tcp -t 1 tx=10991 (685 MB) txc=0 zc=n rx=5496 (685 MB) ipv4 tcp -z -t 1 tx=7699 (480 MB) txc=7699 zc=n rx=3849 (480 MB) ok ipv6 tcp -t 1 tx=11129 (694 MB) txc=0 zc=n rx=5565 (694 MB) ipv6 tcp -z -t 1 tx=8037 (501 MB) txc=8037 zc=n rx=4019 (501 MB) ok OK. All tests passed :: [ PASS ] :: Test '21..57 selftests: net:msg_zerocopy.sh [PASS]'