[ 65.851621][ T659] netdevsim netdevsim710 eni710np1: renamed from eth1 [ 65.900991][ T662] netdevsim netdevsim485 eni485np1: renamed from eth0 [ 68.674038][ T649] Could not find device with ifindex 2000 in netnsfd 11 [ 68.676523][ T649] Could not find netns with fd: 2000 [ 68.677565][ T649] Cannot link a netdevsim to itself [ 68.678979][ T649] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint). [ 69.336823][ C2] ------------[ cut here ]------------ [ 69.337451][ C2] WARNING: CPU: 2 PID: 688 at ./include/net/sch_generic.h:843 __dev_xmit_skb+0xe06/0x1550 [ 69.338332][ C2] Modules linked in: netdevsim [last unloaded: netdevsim] [ 69.338928][ C2] CPU: 2 UID: 0 PID: 688 Comm: socat Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full) [ 69.339603][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 69.340131][ C2] RIP: 0010:__dev_xmit_skb+0xe06/0x1550 [ 69.340537][ C2] Code: ea 03 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 09 84 c0 74 05 e8 bb 04 ef fe 41 c6 87 b0 01 00 00 00 45 31 ed e9 f5 f5 ff ff 90 <0f> 0b 90 e9 00 ff ff ff be 08 00 00 00 48 89 ef e8 f5 0a ef fe f0 [ 69.341908][ C2] RSP: 0018:ffffc900002186b8 EFLAGS: 00010202 [ 69.342420][ C2] RAX: 0000000000000001 RBX: ffffe8ffffd04b30 RCX: 0000000000000000 [ 69.343040][ C2] RDX: 0000000000000007 RSI: ffffffffa605d540 RDI: ffff8880028d2486 [ 69.343703][ C2] RBP: ffff8880096de998 R08: 0000000000000001 R09: 0000000000000001 [ 69.344289][ C2] R10: 000000000000a000 R11: ffff8880096dea28 R12: ffff88800a880118 [ 69.344928][ C2] R13: ffff8880028d2480 R14: ffff8880096dea10 R15: ffff8880096de800 [ 69.345534][ C2] FS: 00007fdf35f28b80(0000) GS:ffff8880888fc000(0000) knlGS:0000000000000000 [ 69.346214][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.346736][ C2] CR2: 00007fdf360736c0 CR3: 000000000ab89004 CR4: 0000000000772ef0 [ 69.347380][ C2] PKRU: 55555554 [ 69.347699][ C2] Call Trace: [ 69.348015][ C2] [ 69.348255][ C2] ? napi_hash_add+0x250/0x250 [ 69.348678][ C2] ? dev_get_stats+0xc20/0xc20 [ 69.349146][ C2] __dev_queue_xmit+0x912/0x17d0 [ 69.349570][ C2] ? netdev_core_pick_tx+0x320/0x320 [ 69.350005][ C2] ? eth_header+0x154/0x190 [ 69.350401][ C2] ? neigh_resolve_output+0x3d5/0x7c0 [ 69.350812][ C2] ? __neigh_update+0x5ce/0x24c0 [ 69.351235][ C2] __neigh_update+0x6bb/0x24c0 [ 69.351691][ C2] arp_process.constprop.0+0x7eb/0x2210 [ 69.352147][ C2] ? arp_send+0x90/0x90 [ 69.352462][ C2] ? arch_stack_walk+0x9b/0xf0 [ 69.352951][ C2] ? __lock_acquire+0x449/0x7e0 [ 69.353361][ C2] ? arp_rcv.part.0+0x390/0x390 [ 69.353799][ C2] __netif_receive_skb_one_core+0x108/0x180 [ 69.354282][ C2] ? __netif_receive_skb_list_core+0x980/0x980 [ 69.354791][ C2] ? rcu_is_watching+0x12/0xb0 [ 69.355191][ C2] ? lock_acquire+0x104/0x160 [ 69.355601][ C2] ? netif_receive_skb_internal+0x83/0x340 [ 69.356135][ C2] netif_receive_skb_internal+0xaf/0x340 [ 69.356556][ C2] ? __netif_receive_skb+0x150/0x150 [ 69.356977][ C2] ? mark_held_locks+0x49/0x70 [ 69.357372][ C2] ? _raw_spin_unlock_irqrestore+0x59/0x70 [ 69.357863][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 69.358307][ C2] ? rcu_is_watching+0x12/0xb0 [ 69.358718][ C2] netif_receive_skb+0x1b/0x30 [ 69.359155][ C2] nsim_poll+0x28e/0x5c0 [netdevsim] [ 69.359593][ C2] ? nsim_start_peer_tx_queue.isra.0+0x340/0x340 [netdevsim] [ 69.360205][ C2] ? rcu_is_watching+0x12/0xb0 [ 69.360638][ C2] __napi_poll.constprop.0+0x9b/0x460 [ 69.361059][ C2] net_rx_action+0x49c/0xd30 [ 69.361487][ C2] ? run_backlog_napi+0x70/0x70 [ 69.361903][ C2] ? clockevents_program_event+0xf3/0x2f0 [ 69.362318][ C2] ? lock_downgrade+0x80/0xb0 [ 69.362768][ C2] ? kvm_clock_get_cycles+0x18/0x30 [ 69.363186][ C2] ? ktime_get+0xba/0x1f0 [ 69.363612][ C2] ? clockevents_program_event+0x1e4/0x2f0 [ 69.364385][ C2] handle_softirqs+0x215/0x610 [ 69.364935][ C2] ? __neigh_event_send+0x2ef/0x1000 [ 69.365561][ C2] do_softirq+0xad/0xe0 [ 69.366052][ C2] [ 69.366393][ C2] [ 69.366750][ C2] __local_bh_enable_ip+0x101/0x120 [ 69.367440][ C2] __neigh_event_send+0x2f4/0x1000 [ 69.368126][ C2] neigh_resolve_output+0x439/0x7c0 [ 69.368803][ C2] ? ___neigh_create+0x7ec/0xed0 [ 69.369533][ C2] ip_finish_output2+0x601/0x17c0 [ 69.370268][ C2] ? ip_skb_dst_mtu+0x355/0x820 [ 69.370976][ C2] ? ip_fragment.constprop.0+0x230/0x230 [ 69.371633][ C2] ? ip_skb_dst_mtu+0x35f/0x820 [ 69.372198][ C2] ? __ip_finish_output+0x27/0x2d0 [ 69.372588][ C2] ip_output+0x116/0x320 [ 69.372918][ C2] __ip_queue_xmit+0x6da/0x11d0 [ 69.373352][ C2] ? __skb_clone+0x57a/0x760 [ 69.373733][ C2] __tcp_transmit_skb+0x1856/0x3180 [ 69.374158][ C2] ? __tcp_select_window+0xea0/0xea0 [ 69.374560][ C2] tcp_connect+0xd91/0x1500 [ 69.374963][ C2] tcp_v4_connect+0x11b0/0x1910 [ 69.375357][ C2] ? bpf_iter_init_tcp+0x160/0x160 [ 69.375727][ C2] ? do_raw_spin_lock+0x130/0x270 [ 69.376155][ C2] ? find_held_lock+0x2b/0x80 [ 69.376544][ C2] __inet_stream_connect+0x267/0x9d0 [ 69.376949][ C2] ? __local_bh_enable_ip+0xa9/0x120 [ 69.377353][ C2] ? __inet_stream_connect+0x9d0/0x9d0 [ 69.377733][ C2] inet_stream_connect+0x57/0xa0 [ 69.378137][ C2] __sys_connect+0x1a8/0x260 [ 69.378540][ C2] ? __sys_connect_file+0x1d0/0x1d0 [ 69.378928][ C2] ? do_fcntl+0x786/0x920 [ 69.379237][ C2] ? f_getown+0x270/0x270 [ 69.379532][ C2] ? __rseq_handle_notify_resume+0x2a7/0x400 [ 69.380008][ C2] ? rseq_get_rseq_cs.isra.0+0x650/0x650 [ 69.380399][ C2] __x64_sys_connect+0x72/0xb0 [ 69.380797][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 69.381180][ C2] do_syscall_64+0xc1/0xfd0 [ 69.381569][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 69.382082][ C2] RIP: 0033:0x7fdf36084d67 [ 69.382491][ C2] Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 18 89 54 24 0c 48 89 34 24 89 [ 69.383854][ C2] RSP: 002b:00007ffc545406c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 69.384459][ C2] RAX: ffffffffffffffda RBX: 000055e48cea7cf0 RCX: 00007fdf36084d67 [ 69.385030][ C2] RDX: 0000000000000010 RSI: 00007ffc54541040 RDI: 0000000000000007 [ 69.385621][ C2] RBP: 00007ffc54541040 R08: 00007ffc545406d0 R09: 0000000000000010 [ 69.386205][ C2] R10: 00000000000004d2 R11: 0000000000000246 R12: 0000000000000010 [ 69.386791][ C2] R13: 0000000000000007 R14: 00007ffc54540970 R15: 00007ffc54541040 [ 69.387393][ C2] [ 69.387693][ C2] irq event stamp: 84548 [ 69.388005][ C2] hardirqs last enabled at (84560): [] __up_console_sem+0x67/0x70 [ 69.388665][ C2] hardirqs last disabled at (84569): [] __up_console_sem+0x4c/0x70 [ 69.389335][ C2] softirqs last enabled at (83158): [] __neigh_event_send+0x2ef/0x1000 [ 69.390052][ C2] softirqs last disabled at (83159): [] do_softirq+0xad/0xe0 [ 69.390717][ C2] ---[ end trace 0000000000000000 ]---