Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

NAME
probe::netdev.ioctl - Called when the device suffers an IOCTL
SYNOPSIS
netdev.ioctl
VALUES
arg
The IOCTL argument (usually the netdev interface)
cmd
The IOCTL request
SystemTap Tapset Reference March 2016 PROBE::NETDEV.IOCT(3stap)