How to fix RTNETLINK answers: Operation not supported error

This error is displayed while restarting the network service in linux This error occurs when the iproute package gets upgraded to iproute-2.6.32-31.el6. To fix the issue, the iproute package should be downgraded to iproute-2.6.32-23.el6 package. Commands for 32-bit systems: Commands for 64-bit systems: That’s it. Need help? Checkout our plans.