[ 109.216529][ T917] 8021q: 802.1Q VLAN Support v1.8
[ 113.416200][ T977] lag: Mode changed to "loadbalance"
[ 113.603947][ T980] lag: Port device veth2 added
[ 113.920753][ T990] lag: Port device veth4 added
[ 114.107189][ T992] 8021q: adding VLAN 0 to HW filter on device lag
[ 114.179948][ T993] br1: port 1(lag) entered blocking state
[ 114.181322][ T993] br1: port 1(lag) entered disabled state
[ 114.181957][ T993] lag: entered allmulticast mode
[ 114.182197][ T993] veth2: entered allmulticast mode
[ 114.182706][ T993] veth4: entered allmulticast mode
[ 114.187660][ T993] veth2: entered promiscuous mode
[ 114.188166][ T993] veth4: entered promiscuous mode
[ 114.275178][ T994] br1: port 1(lag) entered blocking state
[ 114.275459][ T994] br1: port 1(lag) entered forwarding state
[ 114.920859][ T1002] tc (1002) used greatest stack depth: 23368 bytes left
[ 136.020786][ T204] br1: port 1(lag) entered disabled state
[ 141.446274][ C0]
[ 141.446787][ C0] =============================
[ 141.447126][ C0] WARNING: suspicious RCU usage
[ 141.447392][ C0] 6.13.0-virtme #1 Not tainted
[ 141.447642][ C0] -----------------------------
[ 141.447905][ C0] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 141.448307][ C0]
[ 141.448307][ C0] other info that might help us debug this:
[ 141.448307][ C0]
[ 141.448866][ C0]
[ 141.448866][ C0] rcu_scheduler_active = 2, debug_locks = 1
[ 141.449187][ C0] 1 lock held by swapper/0/0:
[ 141.449401][ C0] #0: ffffc90000007ae8 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 141.449807][ C0]
[ 141.449807][ C0] stack backtrace:
[ 141.450076][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.13.0-virtme #1
[ 141.450081][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 141.450084][ C0] Call Trace:
[ 141.450087][ C0]
[ 141.450092][ C0] dump_stack_lvl+0xb0/0xd0
[ 141.450104][ C0] lockdep_rcu_suspicious+0x1ea/0x280
[ 141.450118][ C0] __icmp_send+0xb0d/0x1580
[ 141.450128][ C0] ? _raw_spin_unlock+0x23/0x40
[ 141.450137][ C0] ? __pfx___icmp_send+0x10/0x10
[ 141.450144][ C0] ? rcu_read_lock_any_held+0x43/0xb0
[ 141.450149][ C0] ? validate_chain+0x1fe/0xae0
[ 141.450154][ C0] ? __pfx_validate_chain+0x10/0x10
[ 141.450160][ C0] ? rcu_read_lock_any_held+0x43/0xb0
[ 141.450163][ C0] ? validate_chain+0x1fe/0xae0
[ 141.450176][ C0] ? __pfx_validate_chain+0x10/0x10
[ 141.450182][ C0] ? hlock_class+0x4e/0x130
[ 141.450187][ C0] ? mark_lock+0x38/0x3e0
[ 141.450203][ C0] ? __lock_acquire+0xb9a/0x1680
[ 141.450217][ C0] ipv4_send_dest_unreach+0x3b4/0x800
[ 141.450223][ C0] ? neigh_invalidate+0x1c7/0x540
[ 141.450228][ C0] ? __pfx_ipv4_send_dest_unreach+0x10/0x10
[ 141.450241][ C0] ipv4_link_failure+0x1b/0x190
[ 141.450246][ C0] arp_error_report+0x96/0x170
[ 141.450252][ C0] neigh_invalidate+0x209/0x540
[ 141.450261][ C0] neigh_timer_handler+0x87a/0xdf0
[ 141.450271][ C0] ? __pfx_neigh_timer_handler+0x10/0x10
[ 141.450274][ C0] call_timer_fn+0x13b/0x230
[ 141.450277][ C0] ? call_timer_fn+0xe8/0x230
[ 141.450280][ C0] ? call_timer_fn+0xe8/0x230
[ 141.450284][ C0] ? __pfx_call_timer_fn+0x10/0x10
[ 141.450286][ C0] ? mark_lock+0x38/0x3e0
[ 141.450312][ C0] __run_timers+0x545/0x810
[ 141.450319][ C0] ? __pfx_neigh_timer_handler+0x10/0x10
[ 141.450336][ C0] ? __pfx___run_timers+0x10/0x10
[ 141.450342][ C0] ? __lock_release+0x103/0x460
[ 141.450354][ C0] ? do_raw_spin_lock+0x131/0x270
[ 141.450367][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 141.450377][ C0] ? lock_acquire+0x32/0xc0
[ 141.450382][ C0] ? timer_expire_remote+0x96/0xf0
[ 141.450398][ C0] timer_expire_remote+0x9e/0xf0
[ 141.450402][ C0] tmigr_handle_remote_cpu+0x278/0x440
[ 141.450409][ C0] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10
[ 141.450412][ C0] ? __pfx___lock_release+0x10/0x10
[ 141.450415][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 141.450434][ C0] tmigr_handle_remote_up+0x1a6/0x270
[ 141.450440][ C0] ? __pfx_tmigr_handle_remote_up+0x10/0x10
[ 141.450445][ C0] __walk_groups.isra.0+0x44/0x160
[ 141.450455][ C0] tmigr_handle_remote+0x20b/0x300
[ 141.450459][ C0] ? __pfx_tmigr_handle_remote+0x10/0x10
[ 141.450461][ C0] ? kvm_clock_get_cycles+0x18/0x30
[ 141.450467][ C0] ? ktime_get+0xb8/0x200
[ 141.450475][ C0] ? clockevents_program_event+0x1ea/0x300
[ 141.450488][ C0] handle_softirqs+0x1f6/0x5c0
[ 141.450500][ C0] __irq_exit_rcu+0xc4/0x100
[ 141.450503][ C0] irq_exit_rcu+0xe/0x20
[ 141.450506][ C0] sysvec_apic_timer_interrupt+0x78/0x90
[ 141.450511][ C0]
[ 141.450512][ C0]
[ 141.450514][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 141.450519][ C0] RIP: 0010:default_idle+0xf/0x20
[ 141.450523][ C0] 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
[ 141.450526][ C0] RSP: 0018:ffffffffa3a07e00 EFLAGS: 00000246
[ 141.450529][ C0] RAX: 00000000001bb417 RBX: 1ffffffff4740fc2 RCX: ffffffffa2d14b15
[ 141.450531][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa0569634
[ 141.450533][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c0703a
[ 141.450534][ C0] R10: ffff8880360381d3 R11: ffffffffa3a1cfc0 R12: 0000000000000000
[ 141.450536][ C0] R13: ffffffffa3a1cfc0 R14: dffffc0000000000 R15: 0000000000014770
[ 141.450546][ C0] ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 141.450550][ C0] ? cpuidle_idle_call+0x1f4/0x280
[ 141.450558][ C0] default_idle_call+0x6d/0xb0
[ 141.450562][ C0] cpuidle_idle_call+0x1f4/0x280
[ 141.450570][ C0] ? __pfx_cpuidle_idle_call+0x10/0x10
[ 141.450580][ C0] ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 141.450595][ C0] do_idle+0xf6/0x160
[ 141.450607][ C0] cpu_startup_entry+0x54/0x60
[ 141.450618][ C0] rest_init+0x14f/0x260
[ 141.450626][ C0] start_kernel+0x350/0x410
[ 141.450634][ C0] x86_64_start_reservations+0x18/0x30
[ 141.450639][ C0] x86_64_start_kernel+0xba/0x110
[ 141.450644][ C0] common_startup_64+0x12c/0x138
[ 141.450664][ C0]
[ 142.105964][ T204] br1: port 1(lag) entered blocking state
[ 142.106324][ T204] br1: port 1(lag) entered forwarding state
[ 157.438704][ T37] br1: port 1(lag) entered disabled state
[ 163.538123][ T37] br1: port 1(lag) entered blocking state
[ 163.538385][ T37] br1: port 1(lag) entered forwarding state
[ 164.398521][ T1130] lag: left allmulticast mode
[ 164.398780][ T1130] veth2: left allmulticast mode
[ 164.398977][ T1130] veth4: left allmulticast mode
[ 164.399415][ T1130] veth2: left promiscuous mode
[ 164.399654][ T1130] veth4: left promiscuous mode
[ 164.400198][ T1130] br1: port 1(lag) entered disabled state
[ 164.505968][ T977] lag: Port device veth4 removed
[ 164.517982][ T977] lag: Port device veth2 removed