I can confirm this error on my system after upgrade from bionic to focal. System works "normaly" but error appears in the logs.
Adding "pcie_aspm=off" does not help in my case. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1874464 Title: NETDEV WATCHDOG: enp5s0 (r8169): transmit queue 0 timed out To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1874464/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs