DNS fails after upgrade to 18.04

Bug #1802788 reported by Ian Hobson
6
This bug affects 1 person
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Netplan
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Undecided
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Bug Description

After upgrading from Ubunut16.04 to 18.04 ping by ip worked fine so basic networking is OK, but DNS lookups always failed.

It was attempting to use 127.0.0.53#53 for the dns server, which does not exist.

Restarting networking sorts the problem out. But it appears again after a reboot.

Regards

Ian

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