Exact same issue here, recently done dist-upgrade from 14.04 LTS to 16.04, I did not have this problem at all before. Not running on VM.
Linux server 4.4.0-75-generic #96-Ubuntu SMP Thu Apr 20 09:56:33 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux Using Wired ethernet, happens 2-3 times at least a week and need to reboot. others have other NIC than Realtek ? RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller driver=r8169 driverversion=2.3LK-NAPI firmware=rtl8168e-3_0.0.4 03/27/12 syslog not showing any hints to what happened other than already mentioned above. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1586528 Title: Avahi-daemon withdraws address record To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1586528/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs