Why 'ethtool' command utility reports, 'Cannot get device settings: No such device' ?

Solution Verified - Updated -

Issue

  • ethtool when run to get details of interface , gives error like below.
~]# ethtool eth1
settings for eth1:
Cannot get device settings: No such device
Cannot get wake-on-lan settings: No such device
Cannot get message level: No such device
Cannot get link status: No such device
No data available

Environment

  • Red Hat Enterprise Linux (Any Version)
  • ethtool utility

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