Seth Morabito 8832511204 3b2: Correct behavior for NI attach and detach ...

Previously, the NI ethernet device expected to do all
autoconfiguration at attach time. Furthermore, if attaching failed for
some reason (e.g., permission issues on a tap device, etc.) the card
would be left autoconfigured, but in a broken state that could lead to
reading uninitialized memory.

This change fixes those bugs, and allows the device to be attached and
detached more freely. The card is now autoconfigured when it is
enabled.  Attaching and detaching are analogous to connecting or
disconnecting an ethernet transceiver from the physical device.

2019-04-29 08:21:52 -07:00

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