Symbol: IFM_400G_FR4
sys/net/if_media.h
593
{ IFM_ETHER | IFM_400G_FR4 | IFM_FDX, "400GBASE-FR4" }, \
sys/net/if_media.h
817
{ IFM_ETHER | IFM_400G_FR4, IF_Gbps(400) }, \