kernel:unregister_netdevice: waiting for lo to become free. Usage count = 1

Solution Verified - Updated -

Issue

  • kernel:unregister_netdevice: waiting for lo to become free. Usage count = 1
  • Above message is logged constantly on console or in dmesg or /var/log/messages file or in systemd journal

Environment

  • Red Hat Enterprise Linux 7.4 or earlier
  • TCP connection over loopback interface lo

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