[MacPorts] #55025: Bind9 on High Sierra interface en0 failed

[MacPorts]

#55025: Bind9 on High Sierra interface en0 failed
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 Reporter:  sdugoten                    |      Owner:
     Type:  defect                      |     Status:  new
 Priority:  Normal                      |  Milestone:
Component:  ports                       |    Version:
 Keywords:  interface en0 failed bind9  |       Port:  bind9
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 After installing the newest macport bind9 @9.11.2 (net), I have having
 this problem a few time. I saw this in /var/log/system.log

 07-Oct-2017 02:45:36.178 network: info: listening on IPv4 interface en0,
 10.0.1.7#53
 07-Oct-2017 02:45:36.178 network: error: could not listen on UDP socket:
 permission denied
 07-Oct-2017 02:45:36.179 network: error: creating IPv4 interface en0
 failed; interface ignored


 After that happen, Bind is not answering any query.  I have rolled back to
 bind9 @9.11.1-P3_0 and seems OK

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Ticket URL: <https://trac.macports.org/ticket/55025>
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