are you running a fujitsu server? if you are this not an issue. if you aren't you do not need it, and you may remove it from your kernel to improve performance.
open up your terminal
cd /usr/src/linux/
make menuconfig
go to Device Drivers/Network device support/FUJITSU Extended Socket Network Device driver
press n
do the following key combination without the lines:|right|right|right|enter|enter|enter|double esc|
sudo make
sudo make modules_install
mount [boot] /boot where [boot] is your boot partition/directory