All, 

The tickets regarding DNS failures on Jenkins nodes are due to a problem which 
turns out to be that a combination of a new docker install and a broken regex 
in the tool that assigns a resolv.conf based on colo, which in turn caused an 
incorrect nameserver to be written to resolv.conf. Affected machines will need 
to be manually updated by Infra staff. We will get to them as soon as we can.


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