Turris OS 4.0 beta5 : fiber optic sfp module not working
kernel message regarding eth2 with sfp module connected:
[ 4.404199] mvneta f1034000.ethernet eth2: Using hardware mac address d8:58:d7:00:30:2e
...
[ 59.122698] mvneta f1034000.ethernet eth2: PHY [f1072004.mdio-mii:01] driver [Marvell 88E1510]
[ 59.131476] mvneta f1034000.ethernet eth2: configuring for phy/sgmii link mode
[ 59.139119] IPv6: ADDRCONF(NETDEV_UP): eth2: link is not ready
connected to a tp-link mc220l sfp to gbase-t converter and then to the omnia's gbase-t wan port it's working