K 10
svn:author
V 3
jhb
K 8
svn:date
V 27
2016-05-26T23:08:57.756611Z
K 7
svn:log
V 307
Use a unique error message if we fail to find the simple network protocol.

While here, fix the various net driver callbacks to return early instead
of crashing if this fails.  (The 'init' callback from the netif interface
doesn't return an error if the protocol lookup fails.)

Sponsored by:	Cisco Systems

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