Hi , Can someone please guide me about dpdk dumpcap application with testpmd . while running application I am getting following errors: sudo ./build/app/dpdk-dumpcap -i 04:00.1 -w /tmp/capture.pcapng Device 0000:04:00.0 is not driven by the primary process mlx5_net: can not attach rte ethdev mlx5_net: probe of PCI device 0000:04:00.0 aborted after encountering an error: Cannot allocate memory mlx5_common: Failed to load driver mlx5_eth EAL: Requested device 0000:04:00.0 cannot be used Device 0000:04:00.1 is not driven by the primary process mlx5_net: can not attach rte ethdev mlx5_net: probe of PCI device 0000:04:00.1 aborted after encountering an error: Cannot allocate memory mlx5_common: Failed to load driver mlx5_eth EAL: Requested device 0000:04:00.1 cannot be used Device 0000:81:00.0 is not driven by the primary process mlx5_net: can not attach rte ethdev mlx5_net: probe of PCI device 0000:81:00.0 aborted after encountering an error: Cannot allocate memory mlx5_common: Failed to load driver mlx5_eth EAL: Requested device 0000:81:00.0 cannot be used Device 0000:81:00.1 is not driven by the primary process mlx5_net: can not attach rte ethdev mlx5_net: probe of PCI device 0000:81:00.1 aborted after encountering an error: Cannot allocate memory mlx5_common: Failed to load driver mlx5_eth EAL: Requested device 0000:81:00.1 cannot be used EAL: Error - exiting with code: 1 Cause: No Ethernet ports found Commands : dpdk -22.03 sudo ./build/app/dpdk-dumpcap -i 04:00.1 -w /tmp/capture.pcapng sudo ./build/app/dpdk-testpmd -c 0xf0 -n 4 -a 04:00.1 -- -i --port-topology=chained Regards, Ariba Ehtesham