>I think the commet matches to the existing (i.e., rev. 1.77, not 1.78)
>code.
>
>The in_ifinit calls ifioctl SIOCSIFADDR for every address assigned and
>I guess the comment want to say that
>
>	- callee will initialize if it finds that the address is the
>          first one.
>	- callee will validate the address if necessary.
>
>If a callee really need to validate an address, just doing it only for
>the first address doesn't make sense.

	i see, by ioctl(SIOCSIFADDR) we're checking if the interface
	supports AF_INET.  i'll back it out.

itojun