[ 120.708029][ T1581] br: port 1(veth1) entered blocking state
[ 120.708362][ T1581] br: port 1(veth1) entered disabled state
[ 120.708640][ T1581] veth1: entered allmulticast mode
[ 120.710586][ T1581] veth1: entered promiscuous mode
[ 120.713129][ T253] br: port 1(veth1) entered blocking state
[ 120.713490][ T253] br: port 1(veth1) entered forwarding state
[ 120.833709][ T1587] br: port 2(veth3) entered blocking state
[ 120.834014][ T1587] br: port 2(veth3) entered disabled state
[ 120.834323][ T1587] veth3: entered allmulticast mode
[ 120.836617][ T1587] veth3: entered promiscuous mode
[ 120.838003][ T40] br: port 2(veth3) entered blocking state
[ 120.838278][ T40] br: port 2(veth3) entered forwarding state
[ 120.965564][ T1592] br: port 3(veth4) entered blocking state
[ 120.965886][ T1592] br: port 3(veth4) entered disabled state
[ 120.966172][ T1592] veth4: entered allmulticast mode
[ 120.968056][ T1592] veth4: entered promiscuous mode
[ 120.969729][ T253] br: port 3(veth4) entered blocking state
[ 120.970140][ T253] br: port 3(veth4) entered forwarding state
[ 161.730120][ C2]
[ 161.730502][ C2] =============================
[ 161.730708][ C2] WARNING: suspicious RCU usage
[ 161.730902][ C2] 6.13.0-virtme #1 Not tainted
[ 161.731097][ C2] -----------------------------
[ 161.731291][ C2] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 161.731578][ C2]
[ 161.731578][ C2] other info that might help us debug this:
[ 161.731578][ C2]
[ 161.731901][ C2]
[ 161.731901][ C2] rcu_scheduler_active = 2, debug_locks = 1
[ 161.732213][ C2] 1 lock held by swapper/2/0:
[ 161.732412][ C2] #0: ffffc90000238d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 161.732733][ C2]
[ 161.732733][ C2] stack backtrace:
[ 161.732989][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.13.0-virtme #1
[ 161.732993][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 161.732995][ C2] Call Trace:
[ 161.732997][ C2]
[ 161.733002][ C2] dump_stack_lvl+0xb0/0xd0
[ 161.733010][ C2] lockdep_rcu_suspicious+0x1ea/0x280
[ 161.733022][ C2] __icmp_send+0xb0d/0x1580
[ 161.733045][ C2] ? __pfx___icmp_send+0x10/0x10
[ 161.733054][ C2] ? br_handle_frame+0x61e/0xeb0 [bridge]
[ 161.733111][ C2] ? rcu_read_lock_any_held+0x43/0xb0
[ 161.733116][ C2] ? validate_chain+0x1fe/0xae0
[ 161.733128][ C2] ? __pfx_validate_chain+0x10/0x10
[ 161.733132][ C2] ? hlock_class+0x4e/0x130
[ 161.733135][ C2] ? mark_lock+0x38/0x3e0
[ 161.733144][ C2] ? __lock_acquire+0xb9a/0x1680
[ 161.733153][ C2] ipv4_send_dest_unreach+0x3b4/0x800
[ 161.733158][ C2] ? neigh_invalidate+0x1c7/0x540
[ 161.733164][ C2] ? __pfx_ipv4_send_dest_unreach+0x10/0x10
[ 161.733176][ C2] ipv4_link_failure+0x1b/0x190
[ 161.733181][ C2] arp_error_report+0x96/0x170
[ 161.733189][ C2] neigh_invalidate+0x209/0x540
[ 161.733198][ C2] neigh_timer_handler+0x87a/0xdf0
[ 161.733207][ C2] ? __pfx_neigh_timer_handler+0x10/0x10
[ 161.733210][ C2] call_timer_fn+0x13b/0x230
[ 161.733214][ C2] ? call_timer_fn+0xe8/0x230
[ 161.733216][ C2] ? call_timer_fn+0xe8/0x230
[ 161.733220][ C2] ? __pfx_call_timer_fn+0x10/0x10
[ 161.733223][ C2] ? mark_lock+0x38/0x3e0
[ 161.733240][ C2] __run_timers+0x545/0x810
[ 161.733244][ C2] ? __pfx_neigh_timer_handler+0x10/0x10
[ 161.733254][ C2] ? __pfx___run_timers+0x10/0x10
[ 161.733257][ C2] ? clockevents_program_event+0xf6/0x300
[ 161.733266][ C2] ? do_raw_spin_lock+0x131/0x270
[ 161.733272][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 161.733276][ C2] ? lock_acquire+0x32/0xc0
[ 161.733279][ C2] ? run_timer_softirq+0xe6/0x1c0
[ 161.733289][ C2] run_timer_softirq+0xee/0x1c0
[ 161.733293][ C2] handle_softirqs+0x1f6/0x5c0
[ 161.733306][ C2] __irq_exit_rcu+0xc4/0x100
[ 161.733309][ C2] irq_exit_rcu+0xe/0x20
[ 161.733312][ C2] sysvec_apic_timer_interrupt+0x78/0x90
[ 161.733316][ C2]
[ 161.733317][ C2]
[ 161.733320][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 161.733324][ C2] RIP: 0010:default_idle+0xf/0x20
[ 161.733328][ C2] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 23 cc 14 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
[ 161.733330][ C2] RSP: 0018:ffffc90000167df8 EFLAGS: 00000246
[ 161.733334][ C2] RAX: 00000000003601c3 RBX: 1ffff9200002cfc1 RCX: ffffffff8b114b15
[ 161.733336][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88969634
[ 161.733338][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c2703a
[ 161.733339][ C2] R10: ffff8880361381d3 R11: ffff888001b38040 R12: 0000000000000000
[ 161.733341][ C2] R13: ffff888001b38040 R14: dffffc0000000000 R15: 0000000000000000
[ 161.733350][ C2] ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 161.733354][ C2] ? cpuidle_idle_call+0x1f4/0x280
[ 161.733363][ C2] default_idle_call+0x6d/0xb0
[ 161.733366][ C2] cpuidle_idle_call+0x1f4/0x280
[ 161.733370][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10
[ 161.733378][ C2] ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 161.733387][ C2] do_idle+0xf6/0x160
[ 161.733394][ C2] cpu_startup_entry+0x54/0x60
[ 161.733398][ C2] start_secondary+0x21e/0x2b0
[ 161.733402][ C2] ? __pfx_start_secondary+0x10/0x10
[ 161.733413][ C2] common_startup_64+0x12c/0x138
[ 161.733432][ C2]
[ 220.312382][ T2042] Mirror/redirect action on
[ 255.889502][ T2206] ip (2206) used greatest stack depth: 23560 bytes left
[ 256.414891][ T2218] br: port 3(veth4) entered disabled state
[ 256.415765][ T2218] veth4: left allmulticast mode
[ 256.415967][ T2218] veth4: left promiscuous mode
[ 256.416313][ T2218] br: port 3(veth4) entered disabled state
[ 256.519934][ T2220] br: port 2(veth3) entered disabled state
[ 256.520674][ T2220] veth3: left allmulticast mode
[ 256.520919][ T2220] veth3: left promiscuous mode
[ 256.521276][ T2220] br: port 2(veth3) entered disabled state
[ 256.629374][ T2222] br: port 1(veth1) entered disabled state
[ 256.630074][ T2222] veth1: left allmulticast mode
[ 256.630525][ T2222] veth1: left promiscuous mode
[ 256.631004][ T2222] br: port 1(veth1) entered disabled state