I could figure out "my" problem: https://ubuntuforums.org/showthread.php?t=2441385 somehow the network device name seems to have changed form enp3s0 as written in the /etc/netplan/00-installer-config.yaml config file to enp2s0. Then, my network was not activated at boot-up any more.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1871182 Title: [RTL810xE] No ethernet connection To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1871182/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
