sfp not working without phy-mode = "1000base-x" in rtl8380_teltonika_tsw202.dts
https://github.com/openwrt/openwrt/pull/21003#discussion_r2602102388
[ 1.749134] sfp sfp-p9: module FINISAR CORP. FTLF8519P2BNL-3C rev A sn M1RQ7XXXXXXXX dc 060915
[ 1.780059] hwmon hwmon1: temp1_input not attached to any thermal zone
[ 2.583442] rtl83xx_enable_phy_polling: 500ff00
[ 3.623599] rtl83xx-switch switch@1b000000: configuring for fixed/internal link mode
[ 3.634527] rtl83xx-switch switch@1b000000: Link is Up - 1Gbps/Full - flow control off
[ 3.644274] rtl83xx-switch switch@1b000000 lan1 (uninitialized): PHY [1b000000.switchcore:mdio-controller-mii:08] driver [Re
altek RTL8218B (internal)] (irq=POLL)
[ 3.667317] rtl83xx-switch switch@1b000000 lan2 (uninitialized): PHY [1b000000.switchcore:mdio-controller-mii:09] driver [Re
altek RTL8218B (internal)] (irq=POLL)
[ 3.689944] rtl83xx-switch switch@1b000000 lan3 (uninitialized): PHY [1b000000.switchcore:mdio-controller-mii:0a] driver [Re
altek RTL8218B (internal)] (irq=POLL)
[ 3.712754] rtl83xx-switch switch@1b000000 lan4 (uninitialized): PHY [1b000000.switchcore:mdio-controller-mii:0b] driver [Re
altek RTL8218B (internal)] (irq=POLL)
[ 3.735485] rtl83xx-switch switch@1b000000 lan5 (uninitialized): PHY [1b000000.switchcore:mdio-controller-mii:0c] driver [Re
altek RTL8218B (internal)] (irq=POLL)
[ 3.758533] rtl83xx-switch switch@1b000000 lan6 (uninitialized): PHY [1b000000.switchcore:mdio-controller-mii:0d] driver [Re
altek RTL8218B (internal)] (irq=POLL)
[ 3.781080] rtl83xx-switch switch@1b000000 lan7 (uninitialized): PHY [1b000000.switchcore:mdio-controller-mii:0e] driver [Re
altek RTL8218B (internal)] (irq=POLL)
[ 3.804005] rtl83xx-switch switch@1b000000 lan8 (uninitialized): PHY [1b000000.switchcore:mdio-controller-mii:0f] driver [Re
altek RTL8218B (internal)] (irq=POLL)
[ 3.824957] rtl83xx-switch switch@1b000000 lan9 (uninitialized): incorrect link mode for in-band status
[ 3.835745] error creating PHYLINK: -22
[ 3.840086] rtl83xx-switch switch@1b000000 lan9 (uninitialized): error -22 setting up PHY for tree 0, switch 0, port 24
[ 3.852984] rtl83xx-switch switch@1b000000 lan10 (uninitialized): incorrect link mode for in-band status
[ 3.863849] error creating PHYLINK: -22
[ 3.868185] rtl83xx-switch switch@1b000000 lan10 (uninitialized): error -22 setting up PHY for tree 0, switch 0, port 26
[ 3.881496] rtl838x-eth 1b00a300.ethernet eth0: entered promiscuous mode