[ 16.582733][ T330] br1: port 1(vx10) entered blocking state
[ 16.583302][ T330] br1: port 1(vx10) entered disabled state
[ 16.583712][ T330] vx10: entered allmulticast mode
[ 16.593616][ T330] vx10: entered promiscuous mode
[ 16.594627][ T330] br1: port 1(vx10) entered blocking state
[ 16.595049][ T330] br1: port 1(vx10) entered forwarding state
[ 16.968156][ T335] br1: port 2(vx20) entered blocking state
[ 16.969066][ T335] br1: port 2(vx20) entered disabled state
[ 16.969390][ T335] vx20: entered allmulticast mode
[ 16.971394][ T335] vx20: entered promiscuous mode
[ 16.972376][ T335] br1: port 2(vx20) entered blocking state
[ 16.972725][ T335] br1: port 2(vx20) entered forwarding state
[ 17.168623][ T337] br1: port 3(veth1) entered blocking state
[ 17.169013][ T337] br1: port 3(veth1) entered disabled state
[ 17.169470][ T337] veth1: entered allmulticast mode
[ 17.171736][ T337] veth1: entered promiscuous mode
[ 17.283337][ T121] br1: port 3(veth1) entered blocking state
[ 17.283841][ T121] br1: port 3(veth1) entered forwarding state
[ 17.460472][ T340] br1: port 4(veth2) entered blocking state
[ 17.460778][ T340] br1: port 4(veth2) entered disabled state
[ 17.461062][ T340] veth2: entered allmulticast mode
[ 17.463052][ T340] veth2: entered promiscuous mode
[ 17.554169][ T121] br1: port 4(veth2) entered blocking state
[ 17.554576][ T121] br1: port 4(veth2) entered forwarding state
[ 18.376812][ T350] 8021q: 802.1Q VLAN Support v1.8
[ 18.706555][ T354] br1: entered promiscuous mode
[ 18.708871][ T354] br1: left promiscuous mode
[ 18.719032][ T354] br1: entered promiscuous mode
[ 21.084249][ C1]
[ 21.084581][ C1] =============================
[ 21.084789][ C1] WARNING: suspicious RCU usage
[ 21.084999][ C1] 6.13.0-virtme #1 Not tainted
[ 21.085191][ C1] -----------------------------
[ 21.085425][ C1] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 21.085747][ C1]
[ 21.085747][ C1] other info that might help us debug this:
[ 21.085747][ C1]
[ 21.086153][ C1]
[ 21.086153][ C1] rcu_scheduler_active = 2, debug_locks = 1
[ 21.086445][ C1] 1 lock held by swapper/1/0:
[ 21.086660][ C1] #0: ffffc900001e0ae8 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 21.087086][ C1]
[ 21.087086][ C1] stack backtrace:
[ 21.087430][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.13.0-virtme #1
[ 21.087436][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.087439][ C1] Call Trace:
[ 21.087441][ C1]
[ 21.087445][ C1] dump_stack_lvl+0xb0/0xd0
[ 21.087454][ C1] lockdep_rcu_suspicious+0x1ea/0x280
[ 21.087464][ C1] __icmp_send+0xb0d/0x1580
[ 21.087471][ C1] ? find_held_lock+0x2c/0x110
[ 21.087477][ C1] ? __lock_release+0x103/0x460
[ 21.087480][ C1] ? debug_object_activate+0x389/0x4a0
[ 21.087488][ C1] ? __pfx___icmp_send+0x10/0x10
[ 21.087495][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 21.087506][ C1] ? rcu_read_lock_any_held+0x43/0xb0
[ 21.087512][ C1] ? validate_chain+0x1fe/0xae0
[ 21.087529][ C1] ? __pfx_validate_chain+0x10/0x10
[ 21.087537][ C1] ? hlock_class+0x4e/0x130
[ 21.087543][ C1] ? mark_lock+0x38/0x3e0
[ 21.087559][ C1] ? __lock_acquire+0xb9a/0x1680
[ 21.087568][ C1] ipv4_send_dest_unreach+0x3b4/0x800
[ 21.087573][ C1] ? neigh_invalidate+0x1c7/0x540
[ 21.087578][ C1] ? __pfx_ipv4_send_dest_unreach+0x10/0x10
[ 21.087591][ C1] ipv4_link_failure+0x1b/0x190
[ 21.087596][ C1] arp_error_report+0x96/0x170
[ 21.087603][ C1] neigh_invalidate+0x209/0x540
[ 21.087616][ C1] neigh_timer_handler+0x87a/0xdf0
[ 21.087632][ C1] ? __pfx_neigh_timer_handler+0x10/0x10
[ 21.087638][ C1] call_timer_fn+0x13b/0x230
[ 21.087642][ C1] ? call_timer_fn+0xe8/0x230
[ 21.087645][ C1] ? call_timer_fn+0xe8/0x230
[ 21.087649][ C1] ? __pfx_call_timer_fn+0x10/0x10
[ 21.087652][ C1] ? mark_lock+0x38/0x3e0
[ 21.087669][ C1] __run_timers+0x545/0x810
[ 21.087673][ C1] ? __pfx_neigh_timer_handler+0x10/0x10
[ 21.087683][ C1] ? __pfx___run_timers+0x10/0x10
[ 21.087686][ C1] ? __lock_release+0x103/0x460
[ 21.087698][ C1] ? do_raw_spin_lock+0x131/0x270
[ 21.087707][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 21.087716][ C1] ? lock_acquire+0x32/0xc0
[ 21.087722][ C1] ? timer_expire_remote+0x96/0xf0
[ 21.087734][ C1] timer_expire_remote+0x9e/0xf0
[ 21.087739][ C1] tmigr_handle_remote_cpu+0x278/0x440
[ 21.087745][ C1] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10
[ 21.087748][ C1] ? __pfx___lock_release+0x10/0x10
[ 21.087753][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 21.087771][ C1] tmigr_handle_remote_up+0x1a6/0x270
[ 21.087777][ C1] ? __pfx_tmigr_handle_remote_up+0x10/0x10
[ 21.087782][ C1] __walk_groups.isra.0+0x44/0x160
[ 21.087810][ C1] tmigr_handle_remote+0x20b/0x300
[ 21.087817][ C1] ? __pfx_tmigr_handle_remote+0x10/0x10
[ 21.087822][ C1] ? do_raw_spin_lock+0x131/0x270
[ 21.087830][ C1] ? spin_bug+0x102/0x1d0
[ 21.087843][ C1] ? lockdep_hardirqs_on_prepare+0x12b/0x410
[ 21.087853][ C1] handle_softirqs+0x1f6/0x5c0
[ 21.087866][ C1] __irq_exit_rcu+0xc4/0x100
[ 21.087869][ C1] irq_exit_rcu+0xe/0x20
[ 21.087872][ C1] sysvec_apic_timer_interrupt+0x78/0x90
[ 21.087876][ C1]
[ 21.087878][ C1]
[ 21.087880][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 21.087885][ C1] RIP: 0010:default_idle+0xf/0x20
[ 21.087889][ 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
[ 21.087892][ C1] RSP: 0018:ffffc90000157df8 EFLAGS: 00000242
[ 21.087895][ C1] RAX: 00000000000f6b0d RBX: 1ffff9200002afc1 RCX: ffffffff97514b15
[ 21.087898][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff94d69634
[ 21.087901][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005e9703a
[ 21.087903][ C1] R10: ffff88802f4b81d3 R11: ffff888001b2c5c0 R12: 0000000000000000
[ 21.087906][ C1] R13: ffff888001b2c5c0 R14: dffffc0000000000 R15: 0000000000000000
[ 21.087919][ C1] ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 21.087928][ C1] ? cpuidle_idle_call+0x1f4/0x280
[ 21.087941][ C1] default_idle_call+0x6d/0xb0
[ 21.087946][ C1] cpuidle_idle_call+0x1f4/0x280
[ 21.087952][ C1] ? __pfx_cpuidle_idle_call+0x10/0x10
[ 21.087960][ C1] ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 21.087969][ C1] do_idle+0xf6/0x160
[ 21.087975][ C1] cpu_startup_entry+0x54/0x60
[ 21.087980][ C1] start_secondary+0x21e/0x2b0
[ 21.087984][ C1] ? __pfx_start_secondary+0x10/0x10
[ 21.087994][ C1] common_startup_64+0x12c/0x138
[ 21.088021][ C1]
[ 23.732269][ T425] ip (425) used greatest stack depth: 23552 bytes left
[ 24.266408][ T432] br1: port 1(vx10) entered blocking state
[ 24.266687][ T432] br1: port 1(vx10) entered disabled state
[ 24.266951][ T432] vx10: entered allmulticast mode
[ 24.268953][ T432] vx10: entered promiscuous mode
[ 24.269779][ T432] br1: port 1(vx10) entered blocking state
[ 24.270022][ T432] br1: port 1(vx10) entered forwarding state
[ 24.573690][ T436] br1: port 2(vx20) entered blocking state
[ 24.574128][ T436] br1: port 2(vx20) entered disabled state
[ 24.574667][ T436] vx20: entered allmulticast mode
[ 24.576814][ T436] vx20: entered promiscuous mode
[ 24.577620][ T436] br1: port 2(vx20) entered blocking state
[ 24.578019][ T436] br1: port 2(vx20) entered forwarding state
[ 24.738632][ T438] br1: port 3(w1) entered blocking state
[ 24.738924][ T438] br1: port 3(w1) entered disabled state
[ 24.739186][ T438] w1: entered allmulticast mode
[ 24.741114][ T438] w1: entered promiscuous mode
[ 24.814830][ T121] br1: port 3(w1) entered blocking state
[ 24.815120][ T121] br1: port 3(w1) entered forwarding state
[ 24.963169][ T441] br1: port 4(w3) entered blocking state
[ 24.963467][ T441] br1: port 4(w3) entered disabled state
[ 24.963724][ T441] w3: entered allmulticast mode
[ 24.965609][ T441] w3: entered promiscuous mode
[ 25.050306][ T151] br1: port 4(w3) entered blocking state
[ 25.050550][ T151] br1: port 4(w3) entered forwarding state
[ 25.830602][ T451] br1: entered promiscuous mode
[ 25.834466][ T451] br1: left promiscuous mode
[ 25.848130][ T451] br1: entered promiscuous mode
[ 26.518110][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 26.521436][ C2] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected!
[ 26.588810][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 26.589973][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 26.590534][ C1] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected!
[ 27.228700][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 50.864701][ T675] GACT probability NOT on
[ 55.604980][ T783] ip (783) used greatest stack depth: 22944 bytes left
[ 55.681343][ T65] w3: left allmulticast mode
[ 55.681689][ T65] w3: left promiscuous mode
[ 55.682067][ T65] br1: port 4(w3) entered disabled state
[ 55.684144][ T65] w1: left allmulticast mode
[ 55.684374][ T65] w1: left promiscuous mode
[ 55.684692][ T65] br1: port 3(w1) entered disabled state
[ 55.686553][ T65] vx20: left allmulticast mode
[ 55.686765][ T65] vx20: left promiscuous mode
[ 55.687146][ T65] br1: port 2(vx20) entered disabled state
[ 55.689045][ T65] vx10: left allmulticast mode
[ 55.689262][ T65] vx10: left promiscuous mode
[ 55.689574][ T65] br1: port 1(vx10) entered disabled state
[ 57.788438][ T807] br1: left promiscuous mode
[ 58.339960][ T813] br1: port 4(veth2) entered disabled state
[ 58.428468][ T814] veth2: left allmulticast mode
[ 58.428809][ T814] veth2: left promiscuous mode
[ 58.429149][ T814] br1: port 4(veth2) entered disabled state
[ 58.601529][ T816] br1: port 3(veth1) entered disabled state
[ 58.675967][ T817] veth1: left allmulticast mode
[ 58.676189][ T817] veth1: left promiscuous mode
[ 58.677641][ T817] br1: port 3(veth1) entered disabled state
[ 58.850947][ T819] vx20: left allmulticast mode
[ 58.851172][ T819] vx20: left promiscuous mode
[ 58.852570][ T819] br1: port 2(vx20) entered disabled state
[ 59.232265][ T823] vx10: left allmulticast mode
[ 59.232527][ T823] vx10: left promiscuous mode
[ 59.232874][ T823] br1: port 1(vx10) entered disabled state