Bonding driver makes bad use of ethtool

[Matthew Wilcox <willy@xxxxxxxxxx>]

ethtool is being abused by the bonding driver.  ifenslave is passing
in which ABI version it wants to use via the ETHTOOL_GDRVINFO call.
This cannot continue in the ethtool_ops scheme, and it's my opinion this
shouldn't've been done in the first place.

I suggest a new ioctl to set your ABI version and delete this bad use
of ETHTOOL_GDRVINFO.

-- 
"It's not Hollywood.  War is real, war is primarily not about defeat or
victory, it is about death.  I've seen thousands and thousands of dead bodies.
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