Oh my god, my mistake:
The right conf:
gent: 1
bios: ovmf
boot: order=ide0;ide2
cores: 4
efidisk0: local:101/vm-101-disk-0.qcow2,efitype=4m,pre-enrolled-keys=1,size=528K
hostpci0: 0000:01:00.0,pcie=1
ide0: local:101/vm-101-disk-1.qcow2,size=32G,ssd=1
ide2...