[ISC-Ops #39248] sdcpe ipv4 address delegation for ietf demo test

[Francis Dupont]

> > You've got 149.20.74.64/28 for your use, I'm routing it now.

=> BTW I can see the 149.20.74.65/28 address assigned to the eth1
interface: this is WRONG.

Regards

Francis Dupont <fdupont at isc.org>

PS: I believe the choice for the mapped address (the one which has
to routed through the tun0 interface/device) is 149.20.74.65.