Network device does not shut down with Usage count non-zero error message

Solution Verified - Updated -


  • Reference count is remained in 1 on VLAN with the following message. The message appears repeatedly after running service network restart.
kernel: unregister_netdevice: waiting for eth0.1234 to become free. Usage count = 1


  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • VLAN configured.
  • IPv6 enabled on top of the VLAN interface.

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