[Labs-announce] IMPORTANT: Reboots (again!) on Wednesday

[Andrew Bogott]

     Yet another kernel exploit turned up this week, which means another 
round of kernel updates and reboots.  All labs instances will be 
rebooted (at various and unpredictable times) this Wednesday, 
2016-03-23, beginning around 14:00 UTC.

    We're getting pretty good at this :(  We'll pool- and de-pool exec 
nodes as needed to minimize surprise endings for ToolLabs jobs, but as 
usual there will be some stragglers that get cut short or don't get 
restarted properly.  Keep an eye out on Wednesday, and let us know on 
IRC if you run into trouble.

-Andrew