steev@nanopct4-one:~$ dmesg | grep pcie
[    7.105420] rockchip-pcie f8000000.pcie: no vpcie12v regulator found
[    8.548801] rockchip-pcie f8000000.pcie: no vpcie12v regulator found
[    9.050490] rockchip-pcie f8000000.pcie: PCIe link training gen1 timeout!
[    9.053279] rockchip-pcie: probe of f8000000.pcie failed with error -110