Symbol: IFM_50G_FR
sys/net/if_media.h
557
{ IFM_ETHER | IFM_50G_FR | IFM_FDX, "50GBASE-FR" }, \
sys/net/if_media.h
781
{ IFM_ETHER | IFM_50G_FR, IF_Gbps(50) }, \