[ 98.538496][ T840] lag2: Mode changed to "loadbalance"
[ 98.750006][ T843] lag2: Port device veth3 added
[ 99.052028][ T854] lag2: Port device veth5 added
[ 99.219409][ T856] 8021q: adding VLAN 0 to HW filter on device lag2
[ 99.331510][ T857] 8021q: adding VLAN 0 to HW filter on device lag2
[ 101.404708][ T884] lag1: Mode changed to "loadbalance"
[ 101.586674][ T887] lag1: Port device veth2 added
[ 101.881888][ T890] lag1: Port device veth4 added
[ 102.039625][ T892] 8021q: adding VLAN 0 to HW filter on device lag1
[ 108.333452][ T917] Mirror/redirect action on
[ 108.567322][ T920] lag2: Port device veth5 removed
[ 112.816222][ T930] lag2: Port device veth3 removed
[ 117.183602][ C1]
[ 117.184132][ C1] =============================
[ 117.184339][ C1] WARNING: suspicious RCU usage
[ 117.184568][ C1] 6.13.0-virtme #1 Not tainted
[ 117.184788][ C1] -----------------------------
[ 117.184974][ C1] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 117.185289][ C1]
[ 117.185289][ C1] other info that might help us debug this:
[ 117.185289][ C1]
[ 117.185630][ C1]
[ 117.185630][ C1] rcu_scheduler_active = 2, debug_locks = 1
[ 117.185905][ C1] 1 lock held by swapper/1/0:
[ 117.186098][ C1] #0: ffffc900001e0ae8 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 117.186481][ C1]
[ 117.186481][ C1] stack backtrace:
[ 117.187146][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.13.0-virtme #1
[ 117.187151][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 117.187154][ C1] Call Trace:
[ 117.187157][ C1]
[ 117.187162][ C1] dump_stack_lvl+0xb0/0xd0
[ 117.187173][ C1] lockdep_rcu_suspicious+0x1ea/0x280
[ 117.187185][ C1] __icmp_send+0xb0d/0x1580
[ 117.187195][ C1] ? find_held_lock+0x2c/0x110
[ 117.187204][ C1] ? __lock_release+0x103/0x460
[ 117.187208][ C1] ? debug_object_activate+0x389/0x4a0
[ 117.187217][ C1] ? __pfx___icmp_send+0x10/0x10
[ 117.187225][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 117.187237][ C1] ? rcu_read_lock_any_held+0x43/0xb0
[ 117.187245][ C1] ? validate_chain+0x1fe/0xae0
[ 117.187258][ C1] ? __pfx_validate_chain+0x10/0x10
[ 117.187263][ C1] ? hlock_class+0x4e/0x130
[ 117.187266][ C1] ? mark_lock+0x38/0x3e0
[ 117.187275][ C1] ? __lock_acquire+0xb9a/0x1680
[ 117.187287][ C1] ipv4_send_dest_unreach+0x3b4/0x800
[ 117.187295][ C1] ? neigh_invalidate+0x1c7/0x540
[ 117.187301][ C1] ? __pfx_ipv4_send_dest_unreach+0x10/0x10
[ 117.187314][ C1] ipv4_link_failure+0x1b/0x190
[ 117.187319][ C1] arp_error_report+0x96/0x170
[ 117.187329][ C1] neigh_invalidate+0x209/0x540
[ 117.187340][ C1] neigh_timer_handler+0x87a/0xdf0
[ 117.187350][ C1] ? __pfx_neigh_timer_handler+0x10/0x10
[ 117.187354][ C1] call_timer_fn+0x13b/0x230
[ 117.187361][ C1] ? call_timer_fn+0xe8/0x230
[ 117.187363][ C1] ? call_timer_fn+0xe8/0x230
[ 117.187369][ C1] ? __pfx_call_timer_fn+0x10/0x10
[ 117.187374][ C1] ? mark_lock+0x38/0x3e0
[ 117.187392][ C1] __run_timers+0x545/0x810
[ 117.187396][ C1] ? __pfx_neigh_timer_handler+0x10/0x10
[ 117.187407][ C1] ? __pfx___run_timers+0x10/0x10
[ 117.187411][ C1] ? __lock_release+0x103/0x460
[ 117.187421][ C1] ? do_raw_spin_lock+0x131/0x270
[ 117.187427][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 117.187432][ C1] ? lock_acquire+0x32/0xc0
[ 117.187435][ C1] ? timer_expire_remote+0x96/0xf0
[ 117.187445][ C1] timer_expire_remote+0x9e/0xf0
[ 117.187451][ C1] tmigr_handle_remote_cpu+0x278/0x440
[ 117.187461][ C1] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10
[ 117.187464][ C1] ? __pfx___lock_release+0x10/0x10
[ 117.187468][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 117.187487][ C1] tmigr_handle_remote_up+0x1a6/0x270
[ 117.187496][ C1] ? __pfx_tmigr_handle_remote_up+0x10/0x10
[ 117.187503][ C1] __walk_groups.isra.0+0x44/0x160
[ 117.187514][ C1] tmigr_handle_remote+0x20b/0x300
[ 117.187518][ C1] ? __pfx_tmigr_handle_remote+0x10/0x10
[ 117.187521][ C1] ? do_raw_spin_lock+0x131/0x270
[ 117.187526][ C1] ? spin_bug+0x102/0x1d0
[ 117.187537][ C1] ? lockdep_hardirqs_on_prepare+0x12b/0x410
[ 117.187550][ C1] handle_softirqs+0x1f6/0x5c0
[ 117.187564][ C1] __irq_exit_rcu+0xc4/0x100
[ 117.187568][ C1] irq_exit_rcu+0xe/0x20
[ 117.187571][ C1] sysvec_apic_timer_interrupt+0x78/0x90
[ 117.187577][ C1]
[ 117.187579][ C1]
[ 117.187583][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 117.187590][ C1] RIP: 0010:default_idle+0xf/0x20
[ 117.187596][ 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
[ 117.187599][ C1] RSP: 0018:ffffc90000157df8 EFLAGS: 00000246
[ 117.187603][ C1] RAX: 00000000002e3b7b RBX: 1ffff9200002afc1 RCX: ffffffffa9714b15
[ 117.187605][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa6f69634
[ 117.187607][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c1703a
[ 117.187609][ C1] R10: ffff8880360b81d3 R11: ffff888001b2c5c0 R12: 0000000000000000
[ 117.187611][ C1] R13: ffff888001b2c5c0 R14: dffffc0000000000 R15: 0000000000000000
[ 117.187622][ C1] ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 117.187630][ C1] ? cpuidle_idle_call+0x1f4/0x280
[ 117.187639][ C1] default_idle_call+0x6d/0xb0
[ 117.187642][ C1] cpuidle_idle_call+0x1f4/0x280
[ 117.187647][ C1] ? __pfx_cpuidle_idle_call+0x10/0x10
[ 117.187654][ C1] ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 117.187668][ C1] do_idle+0xf6/0x160
[ 117.187676][ C1] cpu_startup_entry+0x54/0x60
[ 117.187681][ C1] start_secondary+0x21e/0x2b0
[ 117.187686][ C1] ? __pfx_start_secondary+0x10/0x10
[ 117.187696][ C1] common_startup_64+0x12c/0x138
[ 117.187725][ C1]
[ 118.367601][ T960] lag2: Mode changed to "loadbalance"
[ 118.533241][ T963] lag2: Port device veth3 added
[ 118.829412][ T968] lag2: Port device veth5 added
[ 118.996096][ T970] 8021q: adding VLAN 0 to HW filter on device lag2
[ 119.113580][ T971] 8021q: adding VLAN 0 to HW filter on device lag2
[ 125.736988][ T1005] lag2: Port device veth3 removed
[ 129.795452][ T1015] lag2: Port device veth5 removed
[ 135.320389][ T1045] lag2: Mode changed to "loadbalance"
[ 135.497243][ T1048] lag2: Port device veth3 added
[ 135.838005][ T1053] lag2: Port device veth5 added
[ 136.037750][ T1055] 8021q: adding VLAN 0 to HW filter on device lag2
[ 136.141165][ T1056] 8021q: adding VLAN 0 to HW filter on device lag2
[ 142.599918][ T884] lag1: Port device veth4 removed
[ 142.612258][ T884] lag1: Port device veth2 removed
[ 144.649975][ T1045] lag2: Port device veth5 removed
[ 144.666327][ T1045] lag2: Port device veth3 removed