ipv4 tcp -t 1
tx=6353 (396 MB) txc=0 zc=n
rx=3177 (396 MB)
ipv4 tcp -z -t 1
tx=4725 (294 MB) txc=4725 zc=n
rx=2362 (294 MB)
ok
ipv6 tcp -t 1
tx=6561 (409 MB) txc=0 zc=n
rx=3281 (409 MB)
ipv6 tcp -z -t 1
tx=4413 (275 MB) txc=4413 zc=n
rx=2206 (275 MB)
ok
OK. All tests passed

:: [  PASS  ] :: Test '21..57 selftests: net:msg_zerocopy.sh [PASS]'