Symbol: IFM_40G_ER4
sys/net/if_media.h
546
{ IFM_ETHER | IFM_40G_ER4 | IFM_FDX, "40GBASE-ER4" }, \
sys/net/if_media.h
770
{ IFM_ETHER | IFM_40G_ER4, IF_Gbps(40) }, \