Just a stab in the dark here, but could this be as simple as the fact that 1000baseT-HD is listed before 1000baseT-FD in the capabilities? I noticed the FD comes before HD for 100 and 10.
eth0: negotiated 1000baseT-HD flow-control, link ok product info: vendor 00:07:32, model 17 rev 2 basic mode: autonegotiation enabled basic status: autonegotiation complete, link ok capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD advertising: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control link partner: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/845577 Title: mii-tool reporting incorrect duplex mode To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/net-tools/+bug/845577/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs