@JwChin : lspci | grep ocf8 ,the output is ocf8 before my upgradation ,but now, i can't see ;
"rsu bmcimg <BDF>" is good for port 5/6 up problem. now all show "Down". one thing to mention, I forggot to do "sudo rm -rf /usr/share/opae/n3000/one-time-update/*/"