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SubjectRe: [PATCH net] net: vrf: Fix ping failed when vrf mtu is set to 0
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From: linmiaohe <linmiaohe@huawei.com>
Date: Thu, 4 Apr 2019 20:01:13 +0800

> When the mtu of a vrf device is set to 0, it would cause ping
> failed.So I think we should limit dev->min_mtu to ETH_MIN_MTU
> to solve this problem. And if dev->max_mtu still be 0 can be
> confusing, so I limit dev->max_mtu to ETH_MAX_MTU.

David A., please review.

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