31482d73c4
From Zach: Intel documentation indicates that backplane X550EM_X KR devices do not support Energy Efficient Ethernet. Prior to this patch, X552 devices (device ID 0x15AB) will crash the system when transitioning EEE state via sysctl. Signed-off-by: Zach Vargas <zvargas@xes-inc.com> PR: 240320 Submitted by: Zach Vargas <zvargas@xes-inc.com> Reviewed by: erj@ MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D21673