[nsd@localhost ~]$ sudo su
[sudo] password for nsd: 
[root@localhost nsd]# modprobe vfio-pci
[root@localhost nsd]# cd dpdk-22.07/usertools/
[root@localhost usertools]# ./dpdk-devbind.py -b vfio-pci 01:00.0 02:00.0
[root@localhost usertools]# cd ../build/app/
[root@localhost app]# ./dpdk-testpmd -l 0-1 -n 1
EAL: Detected CPU lcores: 4
EAL: Detected NUMA nodes: 1
EAL: Detected static linkage of DPDK
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: VFIO support initialized
TELEMETRY: No legacy callbacks, legacy socket not created
testpmd: No probed ethernet devices
testpmd: create a new mbuf pool <mb_pool_0>: n=155456, size=2176, socket=0
testpmd: preferred mempool ops selected: ring_mp_mc
Done
No commandline core given, start packet forwarding
io packet forwarding - ports=0 - cores=0 - streams=0 - NUMA support enabled, MP allocation mode: native

  io packet forwarding packets/burst=32
  nb forwarding cores=1 - nb forwarding ports=0
Press enter to exit