:~/dpdk/build-742be6a$ sudo ./app/dpdk-dumpcap -i 0  -c 6 -i 0 -w /tmp/sample.pcapng 
Device 0000:03:00.1 is not driven by the primary process
mlx5_net: can not attach rte ethdev
mlx5_net: probe of PCI device 0000:03:00.1 aborted after encountering an error: Cannot allocate memory
mlx5_common: Failed to load driver mlx5_eth
EAL: Requested device 0000:03:00.1 cannot be used
Device 0000:87:00.0 is not driven by the primary process
mlx5_net: can not attach rte ethdev
mlx5_net: probe of PCI device 0000:87:00.0 aborted after encountering an error: Cannot allocate memory
mlx5_common: Failed to load driver mlx5_eth
EAL: Requested device 0000:87:00.0 cannot be used
Device 0000:87:00.1 is not driven by the primary process
mlx5_net: can not attach rte ethdev
mlx5_net: probe of PCI device 0000:87:00.1 aborted after encountering an error: Cannot allocate memory
mlx5_common: Failed to load driver mlx5_eth
EAL: Requested device 0000:87:00.1 cannot be used
File: /tmp/sample.pcapng
Packets captured: 0 18 
Packets received/dropped on interface '0000:03:00.0': 18/0 (100.0)
Capturing on '0000:03:00.0'

:~/dpdk/build-742be6a$ cd ../build-6026bfa/
:~/dpdk/build-6026bfa$ cd sudo ./app/dpdk-dumpcap -i 0  -c 6 -i 0 -w /tmp/sample.pcapng 
Device 0000:03:00.1 is not driven by the primary process
mlx5_net: can not attach rte ethdev
mlx5_net: probe of PCI device 0000:03:00.1 aborted after encountering an error: Cannot allocate memory
mlx5_common: Failed to load driver mlx5_eth
EAL: Requested device 0000:03:00.1 cannot be used
Device 0000:87:00.0 is not driven by the primary process
mlx5_net: can not attach rte ethdev
mlx5_net: probe of PCI device 0000:87:00.0 aborted after encountering an error: Cannot allocate memory
mlx5_common: Failed to load driver mlx5_eth
EAL: Requested device 0000:87:00.0 cannot be used
Device 0000:87:00.1 is not driven by the primary process
mlx5_net: can not attach rte ethdev
mlx5_net: probe of PCI device 0000:87:00.1 aborted after encountering an error: Cannot allocate memory
mlx5_common: Failed to load driver mlx5_eth
EAL: Requested device 0000:87:00.1 cannot be used
File: /tmp/sample.pcapng
pdump_prepare_client_request(): client request for pdump enable/disable failed
EAL: Error - exiting with code: 1
  Cause: Packet dump enable on 0:0000:03:00.0 failed Operation not permitted