On last update (5.2.2) i see some improvements now its linking a 1000base x or 2500base-x but doesnt works because says module transmit fault
Here the logs
MA5671a (Unlocked Modified with HL23446 Firmware)
324.102654] sfp sfp: module HUAWEI MA5671A rev 0001 sn ELTX11223344 dc 14-09-20
[ 324.111995] sfp sfp: SC connector, encoding NRZ, nominal bitrate 2.5Gbps +0% -0%
[ 324.119598] sfp sfp: 1000BaseSX- 1000BaseLX- 1000BaseCX- 1000BaseT- 100BaseTLX- 1000BaseFX- BaseBX10- BasePX-
[ 324.129736] sfp sfp: 10GBaseSR- 10GBaseLR- 10GBaseLRM- 10GBaseER-
[ 324.136053] sfp sfp: Wavelength 1310nm, fiber lengths:
[ 324.141419] sfp sfp: 9µm SM : 40km
[ 324.145525] sfp sfp: 62.5µm MM OM1: unsupported/unspecified
[ 324.151283] sfp sfp: 50µm MM OM2: unsupported/unspecified
[ 324.157152] sfp sfp: 50µm MM OM3: unsupported/unspecified
[ 324.162936] sfp sfp: 50µm MM OM4: unsupported/unspecified
[ 324.168727] sfp sfp: Options: txdisable, txfault, los+
[ 324.174064] sfp sfp: Diagnostics: ddm, intcal, rxpwravg
[ 324.179511] mvneta f1034000.ethernet eth2: switched to inband/2500base-x link mode
[ 324.501361] sfp sfp: module transmit fault indicated
[ 329.901366] sfp sfp: module persistently indicates fault, disabling
G-010S-P
sfp sfp: module ALCATELLUCENT G010SP rev 10 sn ALCL12345678 dc 21-02-17
[ 11.899957] sfp sfp: SC connector, encoding NRZ, nominal bitrate 2.5Gbps +0% -0%
[ 11.907558] sfp sfp: 1000BaseSX- 1000BaseLX+ 1000BaseCX- 1000BaseT- 100BaseTLX- 1000BaseFX- BaseBX10- BasePX-
[ 11.917673] sfp sfp: 10GBaseSR- 10GBaseLR- 10GBaseLRM- 10GBaseER-
[ 11.923957] sfp sfp: Wavelength 33685nm, fiber lengths:
[ 11.929367] sfp sfp: 9µm SM : 20000m
[ 11.933647] sfp sfp: 62.5µm MM OM1: unsupported/unspecified
[ 11.939405] sfp sfp: 50µm MM OM2: unsupported/unspecified
[ 11.945166] sfp sfp: 50µm MM OM3: unsupported/unspecified
[ 11.950923] sfp sfp: 50µm MM OM4: unsupported/unspecified
[ 11.956686] sfp sfp: Options: txdisable, txfault, los+
[ 11.962012] sfp sfp: Diagnostics: ddm, intcal, rxpwravg
[ 11.967429] mvneta f1034000.ethernet eth2: switched to inband/1000base-x link mode
127.093567] mvneta f1034000.ethernet eth2: configuring for inband/1000base-x link mode
[ 127.102512] IPv6: ADDRCONF(NETDEV_UP): eth2: link is not ready
[ 127.421381] sfp sfp: module transmit fault indicated
[ 132.861362] sfp sfp: module persistently indicates fault, disabling