I was experiencing this on multiple Ubuntu 18.04 servers with high UDP
workload, I219-LM Ethernet, 4.15.0-50-generic Ubuntu kernel. Many events
with "Detected Hardware Unit Hang" ... "Reset adapter unexpectedly" per
day per server. The workaround suggested by the hosting provider does
seem to help, 0 resets seen after disabling TSO & GSO:
ethtool -K <interface> tso off gso off
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https://bugs.launchpad.net/bugs/1785171
Title:
Intel I219-V Ethernet Interface on Ubuntu Linux Using e1000e Driver
keeps Dropping Internet Connection
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