Check for and ignore a node timeout when the node is gone from the nodes array. This indicates a dynamic virtual node that been destroyed since the timeout started.
Check for and ignore a node timeout when the node is gone from the
nodes array. This indicates a dynamic virtual node that been destroyed
since the timeout started.

We should try to remove this timeout, but at the moment I am not sure
how stated would find out about it.

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