Add code to shutdown DHCP'ed interfaces that were not the control net. Also eliminate the non-REBOOT/BOUND/RENEW case up front to avoid excess checking.
Add code to shutdown DHCP'ed interfaces that were not the control net.
Also eliminate the non-REBOOT/BOUND/RENEW case up front to avoid excess
checking.

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome