How to disable Energy-Efficient Ethernet

Adding igb.EEE=0 to kernel cmdline disables EEE durign boot.

before:

root@apalis-tk1:~# ethtool --show-eee enp3s0 
EEE Settings for enp3s0:
        EEE status: enabled - inactive
        Tx LPI: 0 (us)
        Supported EEE link modes:  100baseT/Full 
                                   1000baseT/Full 
        Advertised EEE link modes:  100baseT/Full 
                                    1000baseT/Full 
        Link partner advertised EEE link modes:  Not reported

after:

EEE Settings for enp3s0:
        EEE status: disabled
        Tx LPI: disabled
        Supported EEE link modes:  100baseT/Full 
                                   1000baseT/Full 
        Advertised EEE link modes:  Not reported
        Link partner advertised EEE link modes:  Not reported