Hello, im working long time to get my USRP X410 working with my Server with Mellanox Connext X5. What i have: - Ettus USRP X410 - Performant Server with Mellanox Connect X5 My Software: - Ubuntu 22.04 - Mellanox OFED Driver (self compiled) - DPDK 21.11 (installed from repository) - UHD 4.6 (self compiled) - In future use with GNURadio Grub is updated, Hugepages are working... I can make a benchmark test with dpdk (on sudo) and its running: [00:00:15.497500150] Testing transmit rate 491.520000 Msps on 2 channels UUUUUUUUUUUUUUUUUUUUUUUUU[00:00:25.749039983] Benchmark complete. Benchmark rate summary: Num received samples: 0 Num dropped samples: 0 Num overruns detected: 0 Num transmitted samples: 9341592576 Num sequence errors (Tx): 0 Num sequence errors (Rx): 0 Num underruns detected: 25 Num late commands: 0 Num timeouts (Tx): 0 Num timeouts (Rx): 0 Done! But if I want to use it with UHD i have to run dpdk without root. So i tried to run dpdk rootless. With the command: sudo setcap cap_net_raw,cap_net_admin,cap_sys_admin,cap_sys_rawio,cap_dac_override,cap_dac_read_search,cap_ipc_lock=eip ./benchmark_rate i get dpdk running without root, but I have the error message: [ERROR] [DPDK] Could not find route to destination address 192.168.10.2 [WARNING] [MPMD::XPORT::UDP] Error during MTU discovery on address 192.168.10.2: RuntimeError: DPDK: Could not find route to destination address 192.168.10.2 [ERROR] [DPDK] Could not find route to destination address 192.168.20.2 [WARNING] [MPMD::XPORT::UDP] Error during MTU discovery on address 192.168.20.2: RuntimeError: DPDK: Could not find route to destination address 192.168.20.2 [ERROR] [MPMD::MB_IFACE] No CHDR connection available! Error: RuntimeError: No CHDR connection available! I find many posts with this error, but no solutions. Can anybody help me to get it working? My final goal is to work with the X410 with maximum performance and use GNURadio. Many thanks for help!