Changes
→Setting from initrd
chmod +x /etc/sysconfig/mkinitrd/netconsole
echo 'options netconsole netconsole=<sport>@<saddr>/<dev>,<dport>@<daddr>/<dmac>' >> /etc/modprobe.conf
Debian/Ubuntu:
echo '<network-driver-module>' >> /etc/initramfs-tools/modules