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* Bourn, Lionel (Lionel.Bourn at turner.com) wrote:
> thank you. You are correct.  
> 
> ip  link show qg-559e0c87-26
> 
> 27: qg-559e0c87-26: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN 
>     link/ether ee:eb:e0:88:00:50 brd ff:ff:ff:ff:ff:ff
> 
> The next action that fails is 
> 
> ip link set qg-559e0c87-26 address fa:16:3e:0f:70:da
> 
> RTNETLINK answers: Device or resource busy

You need to down the interface first (setting mac on up interface is
only supported on newer kernels, I belive starting w/ 3.6).  What kernel
are you using?

thanks,
-chris