bad-updown-01:

"westnet-eastnet": 192.0.1.0/24===192.1.2.45[@west]...192.1.2.23[@east]===192.0.2.0/24

West has a bad updown script.  This simulates a bug in 2.03 that was found when
Pluto carsed run on a system without the ip(8) command.
