Hi Mathis, thanks for that. I see you are using CX6-LX and it is not the 1st time I see some weird latency/buffers starvation with those. I see you also have CX5 on this box, any chance you could give them a try instead of the CX6?
best ben ________________________________________ From: [email protected] <[email protected]> on behalf of mjoffre via lists.fd.io <[email protected]> Sent: Tuesday, December 9, 2025 11:56 To: [email protected] Subject: Re: [vpp-dev] Severe Latency on NAT64 (IPv6→IPv4) with VPP v25.10 #ipv6 #nat Hi Ben, Thanks for the pointers. I’ve already rerun everything with a single worker and captured all the requested outputs. I didn’t see any improvement by moving to a single thread. You’ll find the full results below: # vppctl clear run && vppctl show run Time 2.0, 10 sec internal node vector rate 1.03 loops/sec 8241806.23 vector rates in 1.4784e2, out 2.2028e2, drop 1.4884e0, punt 9.9231e-1 Name State Calls Vectors Suspends Clocks Vectors/Call TwentyFiveGigabitEthernet81/0/ active 173 173 0 2.30e2 1.00 TwentyFiveGigabitEthernet81/0/ active 173 153 0 1.30e3 .88 VirtualEthernet0/0/0-output active 110 120 0 4.90e2 1.09 VirtualEthernet0/0/0-tx active 110 120 0 2.34e3 1.09 arp-input active 2 2 0 8.37e2 1.00 arp-reply active 2 2 0 1.07e4 1.00 dpdk-input polling 17285600 125 0 1.87e7 0.00 dpdk-process "any wait" 0 0 2 1.05e6 0.00 drop active 3 3 0 2.52e3 1.00 error-drop active 3 3 0 1.80e3 1.00 error-punt active 2 2 0 5.81e3 1.00 ethernet-input active 459 469 0 9.76e2 1.02 fib-walk "any wait" 0 0 1 6.63e3 0.00 ip4-full-reassembly-expire-wal "any wait" 0 0 41 3.38e3 0.00 ip4-input-no-checksum active 109 119 0 1.05e3 1.09 ip4-lookup active 171 171 0 7.11e2 1.00 ip4-rewrite active 171 171 0 7.17e2 1.00 ip4-sv-reassembly-feature active 109 119 0 1.02e3 1.09 ip6-full-reassembly-expire-wal "any wait" 0 0 41 1.87e3 0.00 ip6-input active 346 346 0 4.20e2 1.00 ip6-lookup active 283 293 0 5.43e2 1.04 ip6-mld-process "any wait" 0 0 2 3.02e3 0.00 ip6-ra-process "any wait" 0 0 2 2.85e3 0.00 ip6-rewrite active 283 293 0 3.90e2 1.04 ip6-sv-reassembly-feature active 171 171 0 5.40e2 1.00 loop0-output active 171 171 0 8.48e2 1.00 loop0-tx active 171 171 0 8.07e2 1.00 nat64-in2out active 171 171 0 9.17e2 1.00 nat64-out2in active 109 119 0 1.22e3 1.09 punt active 2 2 0 4.71e3 1.00 sflow-process-samples "any wait" 0 0 2 2.52e3 0.00 unix-cli-new-session "any wait" 0 0 5 3.63e3 0.00 unix-cli-process-0 "running" 2 0 4 2.66e5 0.00 vhost-user-input polling 17285600 173 0 6.14e6 0.00 # vppctl clear err && vppctl show err Count Node Reason Severity 2 dpdk-input no error error 20 TwentyFiveGigabitEthernet81/0/0-tx Tx packet drops (dpdk tx failure) error # vppctl clear hard && vppctl show hard Name Idx Link Hardware TwentyFiveGigabitEthernet81/0/0 1 up TwentyFiveGigabitEthernet81/0/0 Link speed: 25 Gbps RX Queues: queue thread mode 0 main (0) polling TX Queues: TX Hash: [name: hash-eth-l34 priority: 50 description: Hash ethernet L34 headers] queue shared thread(s) 0 no 0 Ethernet address XX:XX:XX:XX:XX:XX Mellanox ConnectX-4/5/6 Family carrier up full duplex max-frame-size 9022 flags: admin-up maybe-multiseg tx-offload intel-phdr-cksum rx-ip4-cksum Devargs: rx: queues 1 (max 1024), desc 1024 (min 0 max 32768 align 1) tx: queues 1 (max 1024), desc 1024 (min 0 max 32768 align 1) pci: device 15b3:101f subsystem 15b3:0005 address 0000:81:00.00 numa 0 switch info: name 0000:81:00.0 domain id 0 port id 65535 max rx packet len: 65536 promiscuous: unicast off all-multicast on vlan offload: strip off filter off qinq off rx offload avail: vlan-strip ipv4-cksum udp-cksum tcp-cksum tcp-lro vlan-filter scatter timestamp rss-hash buffer-split rx offload active: ipv4-cksum scatter tx offload avail: vlan-insert ipv4-cksum udp-cksum tcp-cksum tcp-tso outer-ipv4-cksum vxlan-tnl-tso gre-tnl-tso geneve-tnl-tso multi-segs mbuf-fast-free udp-tnl-tso ip-tnl-tso tx offload active: ipv4-cksum udp-cksum tcp-cksum outer-ipv4-cksum multi-segs rss avail: ipv4-frag ipv4-tcp ipv4-udp ipv4-other ipv4 ipv6-tcp-ex ipv6-udp-ex ipv6-frag ipv6-tcp ipv6-udp ipv6-other ipv6-ex ipv6 esp l4-dst-only l4-src-only l3-dst-only l3-src-only rss active: none tx burst mode: Enhanced MPW + MULTI + TSO + SWP + CSUM + METADATA tx burst function: (not available) rx burst mode: Scalar rx burst function: (not available) tx frames ok 147 tx bytes ok 182559 tx errors 18 rx frames ok 121 rx bytes ok 8410 extended stats: rx_good_packets 121 tx_good_packets 147 rx_good_bytes 8410 tx_good_bytes 182559 tx_errors 18 rx_q0_packets 121 rx_q0_bytes 8410 tx_q0_packets 147 tx_q0_bytes 182559 rx_unicast_bytes 8656 rx_multicast_bytes 256 rx_broadcast_bytes 64 rx_unicast_packets 119 rx_multicast_packets 2 rx_broadcast_packets 1 tx_unicast_bytes 182559 tx_unicast_packets 147 tx_phy_packets 147 rx_phy_packets 122 tx_phy_bytes 183147 rx_phy_bytes 8976 VirtualEthernet0/0/0 3 up VirtualEthernet0/0/0 Link speed: unknown RX Queues: queue thread mode 0 main (0) polling TX Queues: TX Hash: [name: hash-eth-l34 priority: 50 description: Hash ethernet L34 headers] queue shared thread(s) 0 no 0 Ethernet address XX:XX:XX:XX:XX:XX local0 0 down local0 Link speed: unknown local loop0 2 up loop0 Link speed: unknown Ethernet address XX:XX:XX:XX:XX:XX # vppctl show log 2025/12/09 10:37:50:212 notice plugin/load Loaded plugin: abf_plugin.so (Access Control List (ACL) Based Forwarding) 2025/12/09 10:37:50:212 notice plugin/load Loaded plugin: acl_plugin.so (Access Control Lists (ACL)) 2025/12/09 10:37:50:212 notice plugin/load Loaded plugin: adl_plugin.so (Allow/deny list plugin) 2025/12/09 10:37:50:212 notice plugin/load Loaded plugin: af_packet_plugin.so (af-packet) 2025/12/09 10:37:50:213 notice plugin/load Loaded plugin: af_xdp_plugin.so (AF_XDP Device Plugin) 2025/12/09 10:37:50:213 notice plugin/load Loaded plugin: arping_plugin.so (Arping (arping)) 2025/12/09 10:37:50:213 notice plugin/load Loaded plugin: auto_sdl_plugin.so (Auto SDL) 2025/12/09 10:37:50:213 notice plugin/load Plugin disabled (default): auto_sdl_unittest_plugin.so 2025/12/09 10:37:50:213 notice plugin/load Loaded plugin: avf_plugin.so (Intel Adaptive Virtual Function (AVF) Device Driver) 2025/12/09 10:37:50:214 notice plugin/load Loaded plugin: bpf_trace_filter_plugin.so (BPF Trace Filter Plugin) 2025/12/09 10:37:50:214 notice plugin/load Plugin disabled: cdp_plugin.so 2025/12/09 10:37:50:214 notice plugin/load Loaded plugin: cnat_plugin.so (CNat Translate) 2025/12/09 10:37:50:214 notice plugin/load Loaded plugin: crypto_sw_scheduler_plugin.so (SW Scheduler Crypto Async Engine plugin) 2025/12/09 10:37:50:214 notice plugin/load Loaded plugin: ct6_plugin.so (IPv6 Connection Tracker) 2025/12/09 10:37:50:214 notice plugin/load Loaded plugin: det44_plugin.so (Deterministic NAT (CGN)) 2025/12/09 10:37:50:214 notice plugin/load Loaded plugin: dev_ena_plugin.so (dev_ena) 2025/12/09 10:37:50:215 notice plugin/load Loaded plugin: dev_iavf_plugin.so (dev_iavf) 2025/12/09 10:37:50:215 notice plugin/load Loaded plugin: dhcp_plugin.so (Dynamic Host Configuration Protocol (DHCP)) 2025/12/09 10:37:50:215 notice plugin/load Loaded plugin: dma_intel_plugin.so (Intel DSA Backend) 2025/12/09 10:37:50:215 notice plugin/load Loaded plugin: dns_plugin.so (Simple DNS name resolver) 2025/12/09 10:37:50:222 notice plugin/load Loaded plugin: dpdk_plugin.so (Data Plane Development Kit (DPDK)) 2025/12/09 10:37:50:222 notice plugin/load Loaded plugin: dslite_plugin.so (Dual-Stack Lite) 2025/12/09 10:37:50:222 notice plugin/load Plugin disabled (default): fateshare_plugin.so 2025/12/09 10:37:50:222 notice plugin/load Loaded plugin: flowprobe_plugin.so (Flow per Packet) 2025/12/09 10:37:50:222 notice plugin/load Loaded plugin: geneve_plugin.so (GENEVE Tunnels) 2025/12/09 10:37:50:222 notice plugin/load Loaded plugin: gre_plugin.so (Generic Routing Encapsulation (GRE) plugin) 2025/12/09 10:37:50:222 notice plugin/load Plugin disabled: gtpu_plugin.so 2025/12/09 10:37:50:222 notice plugin/load Loaded plugin: hs_apps_plugin.so (Host Stack Applications) 2025/12/09 10:37:50:222 notice plugin/load Loaded plugin: hsi_plugin.so (Host Stack Intercept (HSI)) 2025/12/09 10:37:50:222 notice plugin/load Loaded plugin: http_plugin.so (Hypertext Transfer Protocol (HTTP)) 2025/12/09 10:37:50:222 notice plugin/load Loaded plugin: http_static_plugin.so (HTTP Static Server) 2025/12/09 10:37:50:222 notice plugin/load Plugin disabled (default): http_unittest_plugin.so 2025/12/09 10:37:50:222 notice plugin/load Plugin disabled (default): idpf_plugin.so 2025/12/09 10:37:50:223 notice plugin/load Plugin disabled: igmp_plugin.so 2025/12/09 10:37:50:223 notice plugin/load Loaded plugin: ikev2_plugin.so (Internet Key Exchange (IKEv2) Protocol) 2025/12/09 10:37:50:223 notice plugin/load Loaded plugin: ila_plugin.so (Identifier Locator Addressing (ILA) for IPv6) 2025/12/09 10:37:50:223 notice plugin/load Loaded plugin: ioam_plugin.so (Inbound Operations, Administration, and Maintenance (OAM)) 2025/12/09 10:37:50:223 notice plugin/load Loaded plugin: ip_session_redirect_plugin.so (IP session redirect) 2025/12/09 10:37:50:223 notice plugin/load Loaded plugin: l2tp_plugin.so (Layer 2 Tunneling Protocol v3 (L2TP)) 2025/12/09 10:37:50:223 notice plugin/load Loaded plugin: l3xc_plugin.so (L3 Cross-Connect (L3XC)) 2025/12/09 10:37:50:223 notice plugin/load Loaded plugin: lacp_plugin.so (Link Aggregation Control Protocol (LACP)) 2025/12/09 10:37:50:223 notice plugin/load Loaded plugin: lb_plugin.so (Load Balancer (LB)) 2025/12/09 10:37:50:223 notice plugin/load Plugin disabled (default): linux_cp_plugin.so 2025/12/09 10:37:50:223 notice plugin/load Plugin disabled (default): linux_cp_unittest_plugin.so 2025/12/09 10:37:50:223 notice plugin/load Plugin disabled (default): linux_nl_plugin.so 2025/12/09 10:37:50:224 notice plugin/load Loaded plugin: lisp_plugin.so (Locator ID Separation Protocol (LISP)) 2025/12/09 10:37:50:224 notice plugin/load Plugin disabled (default): lisp_unittest_plugin.so 2025/12/09 10:37:50:224 notice plugin/load Loaded plugin: lldp_plugin.so (Link Layer Discovery Protocol (LLDP)) 2025/12/09 10:37:50:224 notice plugin/load Loaded plugin: mactime_plugin.so (Time-based MAC Source Address Filter) 2025/12/09 10:37:50:224 notice plugin/load Loaded plugin: map_plugin.so (Mapping of Address and Port (MAP)) 2025/12/09 10:37:50:224 notice plugin/load Loaded plugin: mdata_plugin.so (Buffer metadata change tracker.) 2025/12/09 10:37:50:224 notice plugin/load Loaded plugin: memif_plugin.so (Packet Memory Interface (memif) -- Experimental) 2025/12/09 10:37:50:224 notice plugin/load Loaded plugin: mss_clamp_plugin.so (TCP MSS clamping plugin) 2025/12/09 10:37:50:224 notice plugin/load Loaded plugin: nat44_ei_plugin.so (IPv4 Endpoint-Independent NAT (NAT44 EI)) 2025/12/09 10:37:50:225 notice plugin/load Loaded plugin: nat64_plugin.so (NAT64) 2025/12/09 10:37:50:225 notice plugin/load Loaded plugin: nat66_plugin.so (NAT66) 2025/12/09 10:37:50:225 notice plugin/load Loaded plugin: nat_plugin.so (Network Address Translation (NAT)) 2025/12/09 10:37:50:225 notice plugin/load Plugin disabled (default): npt66_plugin.so 2025/12/09 10:37:50:225 notice plugin/load Loaded plugin: nsh_plugin.so (Network Service Header (NSH)) 2025/12/09 10:37:50:225 notice plugin/load Loaded plugin: nsim_plugin.so (Network Delay Simulator) 2025/12/09 10:37:50:225 notice plugin/load Loaded plugin: osi_plugin.so (OSI plugin) 2025/12/09 10:37:50:225 notice plugin/load Loaded plugin: ping_plugin.so (Ping (ping)) 2025/12/09 10:37:50:225 notice plugin/load Loaded plugin: pnat_plugin.so (Policy 1:1 NAT) 2025/12/09 10:37:50:225 notice plugin/load Loaded plugin: ppp_plugin.so (Point-to-Point Protocol (PPP) plugin) 2025/12/09 10:37:50:226 notice plugin/load Loaded plugin: pppoe_plugin.so (PPP over Ethernet (PPPoE)) 2025/12/09 10:37:50:226 notice plugin/load Loaded plugin: prom_plugin.so (Prometheus Stats Exporter) 2025/12/09 10:37:50:226 notice plugin/load Loaded plugin: pvti_plugin.so (Packet Vector Tunnel Interface plugin) 2025/12/09 10:37:50:226 notice plugin/load Loaded plugin: quic_plugin.so (Quic transport protocol) 2025/12/09 10:37:50:226 notice plugin/load Loaded plugin: quic_quicly_plugin.so (Quicly QUIC Engine) 2025/12/09 10:37:50:227 notice plugin/load Loaded plugin: rdma_plugin.so (RDMA IBverbs Device Driver) 2025/12/09 10:37:50:227 notice plugin/load Loaded plugin: sflow_plugin.so (sFlow random packet sampling) 2025/12/09 10:37:50:227 notice plugin/load Loaded plugin: srmpls_plugin.so (Segment Routing for MPLS plugin) 2025/12/09 10:37:50:227 notice plugin/load Loaded plugin: srv6ad_plugin.so (Dynamic Segment Routing for IPv6 (SRv6) Proxy) 2025/12/09 10:37:50:227 notice plugin/load Loaded plugin: srv6adflow_plugin.so (Dynamic Segment Routing for IPv6 (SRv6) Proxy) 2025/12/09 10:37:50:227 notice plugin/load Loaded plugin: srv6am_plugin.so (Masquerading Segment Routing for IPv6 (SRv6) Proxy) 2025/12/09 10:37:50:227 notice plugin/load Loaded plugin: srv6as_plugin.so (Static Segment Routing for IPv6 (SRv6) Proxy) 2025/12/09 10:37:50:227 notice plugin/load Loaded plugin: srv6mobile_plugin.so (SRv6 GTP Endpoint Functions) 2025/12/09 10:37:50:227 notice plugin/load Plugin disabled: stn_plugin.so 2025/12/09 10:37:50:227 notice plugin/load Loaded plugin: svs_plugin.so (Source Virtual Routing and Forwarding (VRF) Select) 2025/12/09 10:37:50:228 notice plugin/load Loaded plugin: tlsopenssl_plugin.so (Transport Layer Security (TLS) Engine, OpenSSL Based) 2025/12/09 10:37:50:228 notice plugin/load Loaded plugin: tlspicotls_plugin.so (Transport Layer Security (TLS) Engine, Picotls Based) 2025/12/09 10:37:50:228 notice plugin/load Loaded plugin: urpf_plugin.so (Unicast Reverse Path Forwarding (uRPF)) 2025/12/09 10:37:50:228 notice plugin/load Loaded plugin: vhost_plugin.so (Vhost-User) 2025/12/09 10:37:50:228 notice plugin/load Loaded plugin: vmxnet3_plugin.so (VMWare Vmxnet3 Device Driver) 2025/12/09 10:37:50:228 notice plugin/load Loaded plugin: vrrp_plugin.so (VRRP v3 (RFC 5798)) 2025/12/09 10:37:50:228 notice plugin/load Loaded plugin: vxlan-gpe_plugin.so (VxLan GPE Tunnels) 2025/12/09 10:37:50:229 notice plugin/load Loaded plugin: vxlan_plugin.so (VxLan Tunnels) 2025/12/09 10:37:50:229 notice plugin/load Loaded plugin: wireguard_plugin.so (Wireguard Protocol) 2025/12/09 10:37:50:404 notice sflow/all linux-cp not found - using VPP sw_if_index 2025/12/09 10:37:50:449 notice dpdk EAL init args: --no-hpet --log-level notice --in-memory --no-telemetry --file-prefix vpp -a 0000:81:00.0 2025/12/09 10:37:51:263 info dma vlib_dma_register_backend: backend 'Intel DSA' registered 2025/12/09 10:37:51:267 notice vat-plug/load Loaded plugin: l2tp_test_plugin.so 2025/12/09 10:37:51:267 notice vat-plug/load Loaded plugin: vnet_session_test_plugin.so 2025/12/09 10:37:51:267 notice vat-plug/load Loaded plugin: lldp_test_plugin.so 2025/12/09 10:37:51:267 notice vat-plug/load Loaded plugin: vnet_interface_test_plugin.so 2025/12/09 10:37:51:267 notice vat-plug/load Loaded plugin: rdma_test_plugin.so 2025/12/09 10:37:51:267 error vat-plug/load vat_plugin_register: gtpu plugin not loaded... 2025/12/09 10:37:51:267 notice vat-plug/load Loaded plugin: adl_test_plugin.so 2025/12/09 10:37:51:267 notice vat-plug/load Loaded plugin: mdata_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: lisp_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: ikev2_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: pppoe_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: tlsopenssl_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: nsh_test_plugin.so 2025/12/09 10:37:51:268 error vat-plug/load vat_plugin_register: stn plugin not loaded... 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: srmpls_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: vlib_vlibapi_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: ip_session_redirect_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: af_xdp_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: vnet_ipsec_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: mactime_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: vnet_ip6_nd_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: ct6_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: nsim_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: lb_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: lacp_test_plugin.so 2025/12/09 10:37:51:268 error vat-plug/load vat_plugin_register: idpf plugin not loaded... 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: dns_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: vnet_ip_test_plugin.so 2025/12/09 10:37:51:268 notice vat-plug/load Loaded plugin: memif_test_plugin.so 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: vrrp_test_plugin.so 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: dhcp_test_plugin.so 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: vmxnet3_test_plugin.so 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: arping_test_plugin.so 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: flowprobe_test_plugin.so 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: vpp_api_test_plugin.so 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: vnet_l2_test_plugin.so 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: sflow_test_plugin.so 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: ioam_test_plugin.so 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: avf_test_plugin.so 2025/12/09 10:37:51:269 error vat-plug/load vat_plugin_register: cdp plugin not loaded... 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: geneve_test_plugin.so 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: vnet_arp_test_plugin.so 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: http_static_test_plugin.so 2025/12/09 10:37:51:269 notice vat-plug/load Loaded plugin: acl_test_plugin.so 2025/12/09 10:37:51:272 notice dpdk EAL: 24 hugepages of size 2097152 reserved, but no mounted hugetlbfs found for that size 2025/12/09 10:37:51:272 notice dpdk EAL: No free 2048 kB hugepages reported on node 1 2025/12/09 10:37:51:272 notice dpdk EAL: VFIO support not initialized 2025/12/09 10:37:51:272 notice dpdk EAL: Couldn't map new region for DMA 2025/12/09 10:37:51:272 notice dpdk EAL: VFIO support not initialized 2025/12/09 10:37:51:272 notice dpdk EAL: Couldn't map new region for DMA 2025/12/09 10:37:53:353 warn dpdk rte_eth_xstats_get(0) returned 70/22 stats. Resetting counters. 2025/12/09 10:37:53:353 notice ip6/link enable: TwentyFiveGigabitEthernet81/0/0 2025/12/09 10:37:53:355 error interface hw_add_del_mac_address: dpdk_add_del_mac_address: mac address add/del failed: -98 2025/12/09 10:37:53:356 notice ip6/link addr-add: TwentyFiveGigabitEthernet81/0/0 -> 2604:2dc0:XXXX:XXXX:10:: 2025/12/09 10:37:53:356 notice ip6/link addr-add: TwentyFiveGigabitEthernet81/0/0 -> 2604:2dc0:XXXX:XXXX:: 2025/12/09 10:37:53:356 error interface hw_add_del_mac_address: dpdk_add_del_mac_address: mac address add/del failed: -98 2025/12/09 10:37:53:358 notice ip/neighbor add: TwentyFiveGigabitEthernet81/0/0, 15.XXX.XXX.46 2025/12/09 10:37:53:358 notice ip/neighbor add: TwentyFiveGigabitEthernet81/0/0, 2604:2dc0:XXXX:XXXX::1 2025/12/09 10:38:06:122 notice ip/neighbor delete: VirtualEthernet0/0/0, 2604:2dc0:XXXX:XXXX:0:1:: 2025/12/09 10:38:06:122 info acl_plugin ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX bitmap: 0, clear_all: 0 2025/12/09 10:38:06:122 info acl_plugin ACL_FA_CLEANER: thread 0, pending clear bitmap: 0 2025/12/09 10:38:06:122 info acl_plugin CLEANER mains len: 1 per-worker len: 1 2025/12/09 10:38:06:122 info acl_plugin ACL_FA_NODE_CLEAN: cleaning done 2025/12/09 10:38:27:777 notice ip6/link enable: loop0 2025/12/09 10:38:27:777 notice ip6/link addr-add: loop0 -> 2001:db8::2:0:1 2025/12/09 10:38:27:777 notice ip/neighbor add: loop0, 2001:db8::2:0:1 2025/12/09 10:38:27:778 notice ip6/link enable: VirtualEthernet0/0/0 2025/12/09 10:38:27:778 notice ip6/link set-ll: VirtualEthernet0/0/0 -> fe80::1 2025/12/09 10:38:27:778 notice ip/neighbor add: VirtualEthernet0/0/0, 2604:2dc0:XXXX:XXXX:0:1:: 2025/12/09 10:38:27:780 info acl_plugin ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX bitmap: 8, clear_all: 0 2025/12/09 10:38:27:780 info acl_plugin ACL_FA_CLEANER: thread 0, pending clear bitmap: 8 2025/12/09 10:38:27:780 info acl_plugin CLEANER mains len: 1 per-worker len: 1 2025/12/09 10:38:27:780 info acl_plugin ACL_FA_NODE_CLEAN: cleaning done 2025/12/09 10:39:10:503 info acl_plugin ACL_FA_CLEANER_DELETE_BY_SW_IF_INDEX bitmap: 8, clear_all: 0 2025/12/09 10:39:10:503 info acl_plugin ACL_FA_CLEANER: thread 0, pending clear bitmap: 8 2025/12/09 10:39:10:503 info acl_plugin CLEANER mains len: 1 per-worker len: 1 2025/12/09 10:39:10:503 info acl_plugin ACL_FA_NODE_CLEAN: cleaning done # vppctl show pci Address Sock VID:PID Link Speed Driver Product Name Vital Product Data 0000:81:00.0 0 15b3:101f unknown mlx5_core ConnectX-6 Lx EN adapter card, 2 PN: MCX631432AC-ADAB EC: AB V2: 0x 4d 43 58 36 33 31 34 33 ... SN: MT2427J00GPV V3: 0x 61 65 37 64 35 66 32 65 ... VA: 0x 4d 4c 58 3a 4d 4e 3d 4d ... V0: 0x 50 43 49 65 47 65 6e 34 ... RV: 0x c2 00 0000:81:00.1 0 15b3:101f unknown mlx5_core ConnectX-6 Lx EN adapter card, 2 PN: MCX631432AC-ADAB EC: AB V2: 0x 4d 43 58 36 33 31 34 33 ... SN: MT2427J00GPV V3: 0x 61 65 37 64 35 66 32 65 ... VA: 0x 4d 4c 58 3a 4d 4e 3d 4d ... V0: 0x 50 43 49 65 47 65 6e 34 ... RV: 0x c2 00 0000:c1:00.0 0 15b3:1017 unknown mlx5_core CX512A - ConnectX-5 SFP28 PN: MCX512A-ACUT EC: B7 V2: 0x 4d 43 58 35 31 32 41 2d ... SN: MT2234411193 V3: 0x 30 65 63 36 66 30 65 64 ... VA: 0x 4d 4c 58 3a 4d 4f 44 4c ... V0: 0x 50 43 49 65 47 65 6e 33 ... VU: 0x 4d 54 32 32 33 34 34 31 ... RV: 0x 71 0000:c1:00.1 0 15b3:1017 unknown mlx5_core CX512A - ConnectX-5 SFP28 PN: MCX512A-ACUT EC: B7 V2: 0x 4d 43 58 35 31 32 41 2d ... SN: MT2234411193 V3: 0x 30 65 63 36 66 30 65 64 ... VA: 0x 4d 4c 58 3a 4d 4f 44 4c ... V0: 0x 50 43 49 65 47 65 6e 33 ... VU: 0x 4d 54 32 32 33 34 34 31 ... RV: 0x 70 # vppctl show thread ID Name Type LWP Sched Policy (Priority) lcore Core Socket State 0 vpp_main 3665092 other (0) 4 4 0 Let me know if you'd like me to collect additional traces or run further tests. Best, Mathis
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