[ 11.180066][ T248] ip (248) used greatest stack depth: 23632 bytes left
[ 16.136159][ T328] br1: port 1(vx10) entered blocking state
[ 16.137084][ T328] br1: port 1(vx10) entered disabled state
[ 16.137517][ T328] vx10: entered allmulticast mode
[ 16.140599][ T328] vx10: entered promiscuous mode
[ 16.142533][ T328] br1: port 1(vx10) entered blocking state
[ 16.143179][ T328] br1: port 1(vx10) entered forwarding state
[ 16.494376][ T333] br1: port 2(vx20) entered blocking state
[ 16.494672][ T333] br1: port 2(vx20) entered disabled state
[ 16.495158][ T333] vx20: entered allmulticast mode
[ 16.497053][ T333] vx20: entered promiscuous mode
[ 16.497746][ T333] br1: port 2(vx20) entered blocking state
[ 16.497988][ T333] br1: port 2(vx20) entered forwarding state
[ 16.665707][ T335] br1: port 3(veth1) entered blocking state
[ 16.666022][ T335] br1: port 3(veth1) entered disabled state
[ 16.666371][ T335] veth1: entered allmulticast mode
[ 16.668291][ T335] veth1: entered promiscuous mode
[ 16.751917][ T45] br1: port 3(veth1) entered blocking state
[ 16.752406][ T45] br1: port 3(veth1) entered forwarding state
[ 16.911667][ T338] br1: port 4(veth2) entered blocking state
[ 16.912004][ T338] br1: port 4(veth2) entered disabled state
[ 16.912303][ T338] veth2: entered allmulticast mode
[ 16.914196][ T338] veth2: entered promiscuous mode
[ 16.989984][ T45] br1: port 4(veth2) entered blocking state
[ 16.990314][ T45] br1: port 4(veth2) entered forwarding state
[ 17.673937][ T349] 8021q: 802.1Q VLAN Support v1.8
[ 17.960276][ T352] br1: entered promiscuous mode
[ 17.962862][ T352] br1: left promiscuous mode
[ 17.983159][ T352] br1: entered promiscuous mode
[ 19.154258][ C1]
[ 19.154607][ C1] =============================
[ 19.154792][ C1] WARNING: suspicious RCU usage
[ 19.154971][ C1] 6.13.0-virtme #1 Not tainted
[ 19.155162][ C1] -----------------------------
[ 19.155575][ C1] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 19.155929][ C1]
[ 19.155929][ C1] other info that might help us debug this:
[ 19.155929][ C1]
[ 19.156301][ C1]
[ 19.156301][ C1] rcu_scheduler_active = 2, debug_locks = 1
[ 19.156575][ C1] 1 lock held by swapper/1/0:
[ 19.156769][ C1] #0: ffffc900001e0d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 19.157097][ C1]
[ 19.157097][ C1] stack backtrace:
[ 19.157344][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.13.0-virtme #1
[ 19.157348][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.157350][ C1] Call Trace:
[ 19.157352][ C1]
[ 19.157355][ C1] dump_stack_lvl+0xb0/0xd0
[ 19.157362][ C1] lockdep_rcu_suspicious+0x1ea/0x280
[ 19.157371][ C1] icmp6_send+0x10ab/0x1bf0
[ 19.157379][ C1] ? start_dl_timer+0x317/0x4d0
[ 19.157393][ C1] ? __pfx_icmp6_send+0x10/0x10
[ 19.157402][ C1] ? __pfx_validate_chain+0x10/0x10
[ 19.157406][ C1] ? hlock_class+0x4e/0x130
[ 19.157409][ C1] ? mark_lock+0x38/0x3e0
[ 19.157411][ C1] ? __pfx___lock_release+0x10/0x10
[ 19.157420][ C1] ? __lock_acquire+0xb9a/0x1680
[ 19.157426][ C1] ? find_held_lock+0x2c/0x110
[ 19.157433][ C1] ? __lock_release+0x103/0x460
[ 19.157435][ C1] ? neigh_invalidate+0x1c7/0x540
[ 19.157440][ C1] ? __pfx___lock_release+0x10/0x10
[ 19.157444][ C1] ? lock_acquire.part.0+0xeb/0x330
[ 19.157455][ C1] ip6_link_failure+0x30/0x430
[ 19.157462][ C1] ndisc_error_report+0x96/0x170
[ 19.157469][ C1] neigh_invalidate+0x209/0x540
[ 19.157478][ C1] neigh_timer_handler+0x87a/0xdf0
[ 19.157487][ C1] ? __pfx_neigh_timer_handler+0x10/0x10
[ 19.157491][ C1] call_timer_fn+0x13b/0x230
[ 19.157494][ C1] ? call_timer_fn+0xe8/0x230
[ 19.157496][ C1] ? call_timer_fn+0xe8/0x230
[ 19.157500][ C1] ? __pfx_call_timer_fn+0x10/0x10
[ 19.157508][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 19.157521][ C1] __run_timers+0x545/0x810
[ 19.157525][ C1] ? __pfx_neigh_timer_handler+0x10/0x10
[ 19.157535][ C1] ? __pfx___run_timers+0x10/0x10
[ 19.157537][ C1] ? clockevents_program_event+0xf6/0x300
[ 19.157547][ C1] ? do_raw_spin_lock+0x131/0x270
[ 19.157552][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 19.157556][ C1] ? lock_acquire+0x32/0xc0
[ 19.157559][ C1] ? run_timer_softirq+0xe6/0x1c0
[ 19.157568][ C1] run_timer_softirq+0xee/0x1c0
[ 19.157573][ C1] handle_softirqs+0x1f6/0x5c0
[ 19.157585][ C1] __irq_exit_rcu+0xc4/0x100
[ 19.157588][ C1] irq_exit_rcu+0xe/0x20
[ 19.157591][ C1] sysvec_apic_timer_interrupt+0x78/0x90
[ 19.157595][ C1]
[ 19.157596][ C1]
[ 19.157598][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 19.157602][ C1] RIP: 0010:default_idle+0xf/0x20
[ 19.157606][ C1] 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
[ 19.157609][ C1] RSP: 0000:ffffc90000157df8 EFLAGS: 00000246
[ 19.157612][ C1] RAX: 00000000000e94b7 RBX: 1ffff9200002afc1 RCX: ffffffffa0514b15
[ 19.157614][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9dd69634
[ 19.157616][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c1703a
[ 19.157617][ C1] R10: ffff8880360b81d3 R11: ffff888001b2c5c0 R12: 0000000000000000
[ 19.157619][ C1] R13: ffff888001b2c5c0 R14: dffffc0000000000 R15: 0000000000000000
[ 19.157628][ C1] ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 19.157632][ C1] ? cpuidle_idle_call+0x1f4/0x280
[ 19.157640][ C1] default_idle_call+0x6d/0xb0
[ 19.157643][ C1] cpuidle_idle_call+0x1f4/0x280
[ 19.157647][ C1] ? __pfx_cpuidle_idle_call+0x10/0x10
[ 19.157654][ C1] ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 19.157663][ C1] do_idle+0xf6/0x160
[ 19.157670][ C1] cpu_startup_entry+0x54/0x60
[ 19.157674][ C1] start_secondary+0x21e/0x2b0
[ 19.157678][ C1] ? __pfx_start_secondary+0x10/0x10
[ 19.157688][ C1] common_startup_64+0x12c/0x138
[ 19.157707][ C1]
[ 23.273558][ T425] br1: port 1(vx10) entered blocking state
[ 23.274007][ T425] br1: port 1(vx10) entered disabled state
[ 23.276450][ T425] vx10: entered allmulticast mode
[ 23.280509][ T425] vx10: entered promiscuous mode
[ 23.281479][ T425] br1: port 1(vx10) entered blocking state
[ 23.281750][ T425] br1: port 1(vx10) entered forwarding state
[ 23.590713][ T429] br1: port 2(vx20) entered blocking state
[ 23.591001][ T429] br1: port 2(vx20) entered disabled state
[ 23.591298][ T429] vx20: entered allmulticast mode
[ 23.593186][ T429] vx20: entered promiscuous mode
[ 23.594072][ T429] br1: port 2(vx20) entered blocking state
[ 23.594324][ T429] br1: port 2(vx20) entered forwarding state
[ 23.759154][ T431] br1: port 3(w1) entered blocking state
[ 23.759414][ T431] br1: port 3(w1) entered disabled state
[ 23.766204][ T431] w1: entered allmulticast mode
[ 23.768764][ T431] w1: entered promiscuous mode
[ 23.847324][ T39] br1: port 3(w1) entered blocking state
[ 23.847554][ T39] br1: port 3(w1) entered forwarding state
[ 24.009557][ T434] br1: port 4(w3) entered blocking state
[ 24.009824][ T434] br1: port 4(w3) entered disabled state
[ 24.010063][ T434] w3: entered allmulticast mode
[ 24.011924][ T434] w3: entered promiscuous mode
[ 24.087028][ T45] br1: port 4(w3) entered blocking state
[ 24.087269][ T45] br1: port 4(w3) entered forwarding state
[ 24.857031][ T444] br1: entered promiscuous mode
[ 24.866540][ T444] br1: left promiscuous mode
[ 24.884029][ T444] br1: entered promiscuous mode
[ 25.539801][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 25.543042][ C3] IPv6: vlan20-v: IPv6 duplicate address 2001:db8:2::3 used by 00:00:5e:00:01:01 detected!
[ 25.555664][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 25.556984][ C3] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected!
[ 25.874701][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 26.194694][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 26.195569][ C3] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected!
[ 26.349649][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 26.351067][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 26.389668][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 48.809866][ T68] w3: left allmulticast mode
[ 48.810153][ T68] w3: left promiscuous mode
[ 48.810559][ T68] br1: port 4(w3) entered disabled state
[ 48.812338][ T68] w1: left allmulticast mode
[ 48.812525][ T68] w1: left promiscuous mode
[ 48.812825][ T68] br1: port 3(w1) entered disabled state
[ 48.814343][ T68] vx20: left allmulticast mode
[ 48.814581][ T68] vx20: left promiscuous mode
[ 48.814873][ T68] br1: port 2(vx20) entered disabled state
[ 48.816416][ T68] vx10: left allmulticast mode
[ 48.816591][ T68] vx10: left promiscuous mode
[ 48.816883][ T68] br1: port 1(vx10) entered disabled state
[ 50.756641][ T667] br1: left promiscuous mode
[ 51.373176][ T673] br1: port 4(veth2) entered disabled state
[ 51.441433][ T674] veth2: left allmulticast mode
[ 51.441694][ T674] veth2: left promiscuous mode
[ 51.442026][ T674] br1: port 4(veth2) entered disabled state
[ 51.613017][ T676] br1: port 3(veth1) entered disabled state
[ 51.683302][ T677] veth1: left allmulticast mode
[ 51.683574][ T677] veth1: left promiscuous mode
[ 51.683911][ T677] br1: port 3(veth1) entered disabled state
[ 51.836195][ T679] vx20: left allmulticast mode
[ 51.836468][ T679] vx20: left promiscuous mode
[ 51.836805][ T679] br1: port 2(vx20) entered disabled state
[ 52.160849][ T683] vx10: left allmulticast mode
[ 52.161086][ T683] vx10: left promiscuous mode
[ 52.161419][ T683] br1: port 1(vx10) entered disabled state