[Bug 1586528] Re: Avahi-daemon withdraws address record

[Juan Martinez]

Same issue - Dell Precision 7040

Oct 14 20:20:17 ubuntu-Wyse-7040 avahi-daemon[1363]: Withdrawing address record for 192.168.1.121 on enp0s31f6.
Oct 14 20:20:17 ubuntu-Wyse-7040 avahi-daemon[1363]: Leaving mDNS multicast group on interface enp0s31f6.IPv4 with address 192.168.1.121.
Oct 14 20:20:17 ubuntu-Wyse-7040 avahi-daemon[1363]: Interface enp0s31f6.IPv4 no longer relevant for mDNS.

This happens both with DHCP and Static IP.  Nothing of note appears to
precede these log messages.  kern.log does not have any relevant logs.

Behavior is a dropped network every ~1.5 days.  Did not have this
problem with wifi, only when hardwired.  Runs with no displays attached.

Currently Ubuntu 19.10 - will be upgrading to 20.04 and will update if
issue does not resolve

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https://bugs.launchpad.net/bugs/1586528

Title:
  Avahi-daemon withdraws address record

Status in avahi package in Ubuntu:
  Invalid
Status in network-manager package in Ubuntu:
  Confirmed

Bug description:
  For some reason, if I leave my Ubuntu VM up for a prolonged period of
  time the machine will lose connection to the network.  ip addr shows
  that the nic port no longer has an address and an examination of the
  syslog shows this:

  May 27 14:19:38 matt-VirtualBox avahi-daemon[590]: Withdrawing address record for 10.0.2.15 on enp0s3.
  May 27 14:19:38 matt-VirtualBox avahi-daemon[590]: Leaving mDNS multicast group on interface enp0s3.IPv4 with address 10.0.2.15.
  May 27 14:19:38 matt-VirtualBox avahi-daemon[590]: Interface enp0s3.IPv4 no longer relevant for mDNS.

  
  for no known reason.

  The only reliable way to get the network to come back (that I have
  found) is a full reboot.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: avahi-daemon 0.6.32~rc+dfsg-1ubuntu2
  ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
  Uname: Linux 4.4.0-22-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri May 27 15:11:34 2016
  InstallationDate: Installed on 2015-10-22 (218 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  SourcePackage: avahi
  UpgradeStatus: Upgraded to xenial on 2016-03-30 (58 days ago)

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