usage: /usr/bin/mii-tool [-VvRrwl] [-A media,... | -F media] [-p addr] <interface ...>
       -V, --version               display version information
       -v, --verbose               more verbose output
       -R, --reset                 reset MII to poweron state
       -r, --restart               restart autonegotiation
       -w, --watch                 monitor for link status changes
       -l, --log                   with -w, write events to syslog
       -A, --advertise=media,...   advertise only specified media
       -F, --force=media           force specified media technology
       -p, --phy=addr              set PHY (MII address) to report
media: 1000baseTx-HD, 1000baseTx-FD,
       100baseT4, 100baseTx-FD, 100baseTx-HD,
       10baseT-FD, 10baseT-HD,
       (to advertise both HD and FD) 1000baseTx, 100baseTx, 10baseT