[tor-bugs] #33793 [Core Tor/Chutney]: Avoid some race conditions when running chutney networks in series

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#33793: Avoid some race conditions when running chutney networks in series
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     Reporter:  teor              |      Owner:  teor
         Type:  defect            |     Status:  assigned
     Priority:  Medium            |  Milestone:
    Component:  Core Tor/Chutney  |    Version:
     Severity:  Normal            |   Keywords:  prop311
Actual Points:  0.3               |  Parent ID:  #33050
       Points:  0.3               |   Reviewer:
      Sponsor:  Sponsor55-must    |
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 When chutney runs multiple networks, one after the others, sometimes older
 tor instances are left running.

 To avoid these issues, chutney can:
 * wait longer after terminating tor processes
 * cleanup pid files, so we don't accidentally terminate unrelated
 processes

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33793>
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