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

NAME
probe::netdev.change_rx_flag - Called when the device RX flag will be changed
SYNOPSIS
netdev.change_rx_flag
VALUES
dev_name
The device that will be changed
flags
The new flags
SystemTap Tapset Reference March 2016 PROBE::NETDEV.CHAN(3stap)