Still an issue here with Dell Latitude 5495 and Kernel 5.2.7. I noticed that very much like similar problems I had with Realtek LAN, it helped as a workaround to boot with iommu=pt kernel parameter.
A rtl8169 report was here https://bugzilla.kernel.org/show_bug.cgi?id=14962 (and many others exist) ** Bug watch added: Linux Kernel Bug Tracker #14962 https://bugzilla.kernel.org/show_bug.cgi?id=14962 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1447664 Title: 14e4:1687 broadcom tg3 network driver disconnects under high load To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1447664/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs