No luck with the Pine64+ image either.
Code
dmesg | grep eth
[ 0.000000] psci: probing for conduit method from DT.
[ 11.917939] dwmac-sun8i 1c30000.ethernet: PTP uses main clock
[ 11.935933] dwmac-sun8i 1c30000.ethernet: Current syscon value is not the default 6 (expect 0)
[ 11.935962] dwmac-sun8i 1c30000.ethernet: No HW DMA feature register supported
[ 11.935969] dwmac-sun8i 1c30000.ethernet: RX Checksum Offload Engine supported
[ 11.935976] dwmac-sun8i 1c30000.ethernet: COE Type 2
[ 11.935983] dwmac-sun8i 1c30000.ethernet: TX Checksum insertion supported
[ 11.935992] dwmac-sun8i 1c30000.ethernet: Normal descriptors
[ 11.936000] dwmac-sun8i 1c30000.ethernet: Chain mode enabled
[ 12.017213] dwmac-sun8i 1c30000.ethernet eth0: Could not attach to PHY
[ 12.017230] dwmac-sun8i 1c30000.ethernet eth0: stmmac_open: Cannot attach to PHY (error: -19)
[ 244.715743] dwmac-sun8i 1c30000.ethernet eth0: Could not attach to PHY
[ 244.715763] dwmac-sun8i 1c30000.ethernet eth0: stmmac_open: Cannot attach to PHY (error: -19)
[ 248.698940] dwmac-sun8i 1c30000.ethernet eth0: Could not attach to PHY
[ 248.698962] dwmac-sun8i 1c30000.ethernet eth0: stmmac_open: Cannot attach to PHY (error: -19)
[ 254.565973] dwmac-sun8i 1c30000.ethernet eth0: Could not attach to PHY
[ 254.565995] dwmac-sun8i 1c30000.ethernet eth0: stmmac_open: Cannot attach to PHY (error: -19)
[ 292.732837] dwmac-sun8i 1c30000.ethernet eth0: Could not attach to PHY
[ 292.732858] dwmac-sun8i 1c30000.ethernet eth0: stmmac_open: Cannot attach to PHY (error: -19)
[ 357.788378] dwmac-sun8i 1c30000.ethernet eth0: Could not attach to PHY
[ 357.788395] dwmac-sun8i 1c30000.ethernet eth0: stmmac_open: Cannot attach to PHY (error: -19)
[ 360.068862] dwmac-sun8i 1c30000.ethernet eth0: Could not attach to PHY
[ 360.068883] dwmac-sun8i 1c30000.ethernet eth0: stmmac_open: Cannot attach to PHY (error: -19)
[ 363.168764] dwmac-sun8i 1c30000.ethernet eth0: Could not attach to PHY
[ 363.168785] dwmac-sun8i 1c30000.ethernet eth0: stmmac_open: Cannot attach to PHY (error: -19)
[ 418.603254] dwmac-sun8i 1c30000.ethernet eth0: Could not attach to PHY
[ 418.603274] dwmac-sun8i 1c30000.ethernet eth0: stmmac_open: Cannot attach to PHY (error: -19)
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