[Bug 1957086] Re: Autopkgtest systemd fail against dnsmasq 2.86 (22.04)

[Christian Ehrhardt ]

Hi Michael,
it seems suspicious as it is the same test that fails.
But the assertion is different.
In the referred Debian bug it is
  AssertionError: b'megasearch.net: 192.168.42.1' not found in
In the Ubuntu fail it is
  subprocess.CalledProcessError: Command '['resolvectl', 'query', 'math.lab']' returned non-zero exit status 1.


Also we did show that 2.86-1 worked fine against systemd 249.7-1ubuntu1 without a change to dnsmasq.
Finally the new dnsmasq 2.86-1.1 tested against systemd 249.5-2ubuntu4 here
https://autopkgtest.ubuntu.com/results/autopkgtest-jammy/jammy/amd64/s/systemd/20220122_111714_33b38@/log.gz
It still shows the same issue as reported here.

The referenced error OTOH fails in Debian with 247.9-1 which works for
this issue here.

So while indeed very close, I doubt it is the same as https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=995655
Overall I guess eventually we need both fixes anyway, the one in dnsmasq (sync already happened 2.86-1.1 is in j-proposed) and a newer systemd upload.

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https://bugs.launchpad.net/bugs/1957086

Title:
  Autopkgtest systemd fail against dnsmasq 2.86 (22.04)

Status in dnsmasq package in Ubuntu:
  New
Status in systemd package in Ubuntu:
  In Progress

Bug description:
  Full log (same on all architectures):
  https://autopkgtest.ubuntu.com/results/autopkgtest-jammy/jammy/arm64/s/systemd/20220106_214401_24d29@/log.gz

  The test is from systemd:
  https://github.com/systemd/systemd/blob/main/test/networkd-test.py#L619

  Tail of the log:
  ```
  ERROR: test_resolved_domain_restricted_dns (__main__.DnsmasqClientTest)
  resolved: domain-restricted DNS servers
  ----------------------------------------------------------------------
  Traceback (most recent call last):
    File "/tmp/autopkgtest.NdIvJq/build.fBQ/src/test/networkd-test.py", line 678, in test_resolved_domain_restricted_dns
      out = subprocess.check_output(['resolvectl', 'query', 'math.lab'])
    File "/usr/lib/python3.9/subprocess.py", line 424, in check_output
      return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
    File "/usr/lib/python3.9/subprocess.py", line 528, in run
      raise CalledProcessError(retcode, process.args,
  subprocess.CalledProcessError: Command '['resolvectl', 'query', 'math.lab']' returned non-zero exit status 1.
  ```

  
  Tagging update-excuse to be shown in excuses

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