Indeed there was - in /etc/modprobe.d for r8168-dkms. I ran sudo apt-get purge --auto-remove r8168-dkms and all is working as it should.
Many thanks for your help. On 26/06/18 16:02, Kai-Heng Feng wrote: > Is there any entry in /etc/modprobe.conf or /etc/modprobe.d that is > r8168/r8169? > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1778511 Title: PCI network card (r8169) UNCLAIMED at boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1778511/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs