[VETH]: Clarify "virtual ethernet device" to "virtual ethernet pair device".

It'd also be nice to mention "containers" somewhere in the help text
(I'm assuming that's what it's for?).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed