# ifconfig vEth0_0 mtu 1450
-If DPDK is compiled with ``CONFIG_RTE_KNI_KMOD_ETHTOOL=y`` and an Intel
-NIC is used, the user can use ``ethtool`` on the KNI interface as if it
-were a normal Linux kernel interface.
-
-Displaying the NIC registers:
-
-.. code-block:: console
-
- # ethtool -d vEth0_0
-
When the ``kni`` application is closed, all the KNI interfaces are deleted
from the Linux kernel.