Paolo, it doesn't look like the newest Focal kernel resolves this issue. I've attached the output from a working kernel.
root@ICTM1610S01H2:~# cat /sys/class/fc_host/host*/symbolic_name QLE2742 FW:v8.08.231 DVR:v10.01.00.19-k QLE2742 FW:v8.08.231 DVR:v10.01.00.19-k QLE2692 FW:v8.08.231 DVR:v10.01.00.19-k QLE2692 FW:v8.08.231 DVR:v10.01.00.19-k
Paolo, it doesn't look like the newest Focal kernel resolves this issue. I've attached the output from a working kernel.
root@ICTM1610S0 1H2:~# cat /sys/class/ fc_host/ host*/symbolic_ name
QLE2742 FW:v8.08.231 DVR:v10.01.00.19-k
QLE2742 FW:v8.08.231 DVR:v10.01.00.19-k
QLE2692 FW:v8.08.231 DVR:v10.01.00.19-k
QLE2692 FW:v8.08.231 DVR:v10.01.00.19-k