Intel driver i40evf throws error "Failed to add MAC filter, error 140E_ERR_NVM" upon restarting network service.

Solution Verified - Updated -

Issue

  • ssh connection to the server is lost after restarting the network.service with below log :
i40evf 0000:00:04.0:  Failed to add MAC filter, error 140E_ERR_NUM

Environment

  • Red Hat Enterprise Linux 7
  • kernel-3.10.0-957.21.3.el7.x86_64
  • SR-IOV virtual functions

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