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Date: Wed, 25 Jan 2017 23:05:04 -0500 (EST)
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Subject: Re: [PATCH net 2/5] ibmvnic: Fix MTU settings
From: David Miller <davem@davemloft.net>
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From: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Date: Wed, 25 Jan 2017 15:02:20 -0600

> In the current driver, the MTU is set to the maximum value
> capable for the backing device. This patch sets the MTU to the
> default value for a Linux net device.

Why are you doing this?

What happens to users who depend upon the current behavior.

They will break, and that isn't acceptable.