D24866: Wired setting: improve handling of link negotiation

dvalter added a comment. In D24866#558796 , @jgrulich wrote: > I did basically what nm-connection-editor allows you to do. I also found somewhere that half-duplex is in the specification even for 1Gbps. Valid point since NetworkManager al

D24866: Wired setting: improve handling of link negotiation

dvalter added a comment. Looks like a complete fix to #413211 . I've tested it on Arch Linux with different modes. For me Ignore, Auto and 10/100/1000 Mbps modes worked as intended as well as duplex setup for 10 and 100. The only questionable