$ sudo setpci -s ae:00.0 ECAP_AER+0x14.L 000031c1. Note: Your AER values may differ from the above $ sudo setpci -s <RP BDF> ECAP_AER+0x14.L=0xffffffff. Trigger re-configure FPGA
setpci -s 00:00.0 COMMAND=0x4 setpci -s 01:00.0 COMMAND=0x7 setpci -s 01:00.1 COMMAND=0x7. Note: confirm the bus structure before executing the above command.