[Bug 1938791] Re: [18.04] systemd-resolve does not update DNS servers

[Lutz Willek]

*** This bug is a duplicate of bug 1988119 ***
    https://bugs.launchpad.net/bugs/1988119

** This bug has been marked a duplicate of bug 1988119
   Update to systemd 237-3ubuntu10.54 broke dns

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Title:
  [18.04] systemd-resolve does not update DNS servers

Status in systemd package in Ubuntu:
  New

Bug description:
  Hi,

  
  A number of my nodes were in a broken state resolving DNS on an unattended-upgrades enabled nodes, running dhclient and checking systemd-resolve --status shows the following:

  Link 2 (eth0)              
        Current Scopes: none 
         LLMNR setting: yes  
  MulticastDNS setting: no   
        DNSSEC setting: no   
      DNSSEC supported: no

  Compared to a working node:

  Link 2 (eth0)
        Current Scopes: DNS
         LLMNR setting: yes
  MulticastDNS setting: no
        DNSSEC setting: no
      DNSSEC supported: no
           DNS Servers: 145.218.226.65
                        145.218.238.29
            DNS Domain: reddog.microsoft.com

  [Workaround]

  Reboot the node, DNS should return back to normal.

  sos report and additional information: https://private-
  fileshare.canonical.com/~pjds/dsv/dns-issue/

  Thanks,

  Peter

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