In case it helps, I'm also affected by this bug, but for a prior version of the kernel: 5.4.0-56-lowlatency on Ubuntu Studio. Booting with the previous kernel version (5.4.0-54-lowlatency) restores the Ethernet interface.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1906655 Title: Ethernet interface broken (Flags mismatch irq) after upgrading to kernel 5.8.0-31 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1906655/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs