Fix build on kernel 7.0.x

[gcerretani]

Tentative fix for #41. Tested on Ubuntu 26.04, 7.0.0-14-generic.

[smradman]

The suggested fix works for me on Proxmox VE 9.1 kernel 7.0.2-3-pve.

root@pve1:~# pveversion
pve-manager/9.1.11/8eac2c86f015bdda (running kernel: 7.0.2-3-pve)
root@pve1:~# modinfo ixgbe | head -2
filename:       /lib/modules/7.0.2-3-pve/updates/drivers/net/ethernet/intel/ixgbe/ixgbe.ko
version:        6.3.6