fjes kernel module gets loaded on a non-Fujitsu hardware

Issue

• The fjes kernel module gets loaded on a non-Fujitsu hardware, and the following message can be observed:

  FUJITSU Extended Socket Network Device Driver - version 1.2 - Copyright (c) 2015 FUJITSU LIMITED
  

• The following systemd-udevd error can be observed:

  systemd-udevd[519]: could not read from '/sys/module/fjes/initstate': No such device