When rebooting a shared host, using a much longer pingwait to avoid apod'ing the host while it is still stopping and saving containers.
When rebooting a shared host, using a much longer pingwait to avoid
apod'ing the host while it is still stopping and saving containers.

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