[Varnish] #1635: Completed bans keep accumulating

[Varnish]

#1635: Completed bans keep accumulating
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 Reporter:  Sesse     |       Owner:
     Type:  defect    |      Status:  new
 Priority:  normal    |   Milestone:
Component:  varnishd  |     Version:  trunk
 Severity:  normal    |  Resolution:
 Keywords:  lurker    |
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Comment (by lucascherifi):

 karlvr, you were right. I tried to set the cache control response header
 of the back end responses to 20sec and the MAIN.bans number decrease to
 one after 20sec.

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Ticket URL: <https://www.varnish-cache.org/trac/ticket/1635#comment:9>
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