[Bug 1762899] [NEW] /etc/resolv.conf empty after upgrading from 16.04 to 18.40

[Dawid Wróbel]

Public bug reported:

I just upgraded one of my LXC containers to 18.04 and after rebooting,
the /etc/resolv.conf contains no nameservers. systemd-resolve, however,
resolves fine and the --status returns the DNS server details as
expected.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: resolvconf 1.79ubuntu9
ProcVersionSignature: Ubuntu 4.4.0-103.126-generic 4.4.98
Uname: Linux 4.4.0-103-generic x86_64
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
Date: Tue Apr 10 22:53:30 2018
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=C.UTF-8
SourcePackage: resolvconf
UpgradeStatus: Upgraded to bionic on 2018-04-11 (0 days ago)

** Affects: resolvconf (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic uec-images

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https://bugs.launchpad.net/bugs/1762899

Title:
  /etc/resolv.conf empty after upgrading from 16.04 to 18.40

Status in resolvconf package in Ubuntu:
  New

Bug description:
  I just upgraded one of my LXC containers to 18.04 and after rebooting,
  the /etc/resolv.conf contains no nameservers. systemd-resolve,
  however, resolves fine and the --status returns the DNS server details
  as expected.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: resolvconf 1.79ubuntu9
  ProcVersionSignature: Ubuntu 4.4.0-103.126-generic 4.4.98
  Uname: Linux 4.4.0-103-generic x86_64
  ApportVersion: 2.20.9-0ubuntu4
  Architecture: amd64
  Date: Tue Apr 10 22:53:30 2018
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=C.UTF-8
  SourcePackage: resolvconf
  UpgradeStatus: Upgraded to bionic on 2018-04-11 (0 days ago)

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