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

[Ilya Brik]

I wonder how do you , guys, declare the bug as invalid while the issue is exists and it's still relevant.
You could at least call it duplicate with a reference to another issue, but INVALID it is not.
To the point:
This issue is relevant for me on a freshly installed Kubuntu 19.04.
I tried to use the workaround proposed by @ronny, but it doesn't look as a good idea:

sudo apt remove isc-dhcp-client                                                                                                                                 Sun 13 Oct 2019 13:45:45 IDT
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  dns-root-data dnsmasq-base isc-dhcp-common libdns-export1104 libisc-export1100 libkf5modemmanagerqt6 libndp0 libopenconnect5 libstoken1 libteamdctl0 libtomcrypt1 libtommath1 libtss2-esys0 libtss2-udev pptp-linux
Use 'sudo apt autoremove' to remove them.
The following packages will be REMOVED:
  isc-dhcp-client network-manager network-manager-gnome network-manager-pptp network-manager-pptp-gnome plasma-nm ubuntu-minimal

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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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