[Bug 1819625] Re: Package resolvconf=1.79ubuntu10.18.04.1 broken

[Bruno]

No vpn - DNS resolver broken by update (on production server)

bug at test:~$ cat /etc/resolv.conf 
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
# 127.0.0.53 is the systemd-resolved stub resolver.
# run "systemd-resolve --status" to see details about the actual nameservers.

nameserver 127.0.0.53
search ~~cut~~.intern lxd
options edns0


### ----------

bug at test:~$ systemd-resolve --status
Global
         DNS Servers: 10.176.0.1
                      10.176.0.2
                      10.168.127.126
          DNS Domain: ~~cut~~.intern
          DNSSEC NTA: 10.in-addr.arpa
                      16.172.in-addr.arpa
                      168.192.in-addr.arpa
                      17.172.in-addr.arpa
~~ cut ~~

Link 3 (lxdbr0)
      Current Scopes: DNS
       LLMNR setting: yes
MulticastDNS setting: no
      DNSSEC setting: no
    DNSSEC supported: no
         DNS Servers: 10.145.28.1
          DNS Domain: lxd

### ----------


bug at test:~$ lxc launch ubuntu:18.04 ub18-1
Creating ub18-1
Starting ub18-1

### ----------

bug at test:~$ dig ub18-1.lxd
;; ANSWER SECTION:
ub18-1.lxd.		600	IN	A	10.145.28.214
;; SERVER: 127.0.0.53#53(127.0.0.53)


### ----------


bug at test:~$ sudo apt-get upgrade 
The following packages will be upgraded:
  resolvconf
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Preparing to unpack .../resolvconf_1.79ubuntu10.18.04.1_all.deb ...
Processing triggers for resolvconf (1.79ubuntu10.18.04.1) ...


### ----------

bug at test:~$  cat /etc/resolv.conf 
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
# 127.0.0.53 is the systemd-resolved stub resolver.
# run "systemd-resolve --status" to see details about the actual nameservers.

nameserver 10.176.0.1
nameserver 10.176.0.2
nameserver 10.168.127.126
search ~~cut~~.intern lxd


### ----------

bug at test:~$ dig ub18-1.lxd
;; QUESTION SECTION:
;ub18-1.lxd.			IN	A
;; SERVER: 10.176.0.1#53(10.176.0.1)


### ----------

# temporary fix:

bug at test:~$ wget http://de.archive.ubuntu.com/ubuntu/pool/universe/r/resolvconf/resolvconf_1.79ubuntu10_all.deb
bug at test:~$ sudo dpkg --install resolvconf_1.79ubuntu10_all.deb
bug at test:~$ dig ub18-1.lxd
;; ANSWER SECTION:
ub18-1.lxd.		600	IN	A	10.145.28.214

;; Query time: 1 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)

-- 
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https://bugs.launchpad.net/bugs/1819625

Title:
  Package resolvconf=1.79ubuntu10.18.04.1 broken

Status in resolvconf package in Ubuntu:
  Confirmed

Bug description:
  The package resolveconf version 1.79ubuntu10.18.04.1 is broken.
  Installing the package breaks DNS resolution.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: resolvconf 1.79ubuntu10.18.04.1
  Uname: Linux 4.15.0-46-generic x86_64
  Architecture: amd64

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