[ 10.655568][ T250] ip (250) used greatest stack depth: 23744 bytes left
[ 12.824728][ T294] 8021q: 802.1Q VLAN Support v1.8
[ 14.514668][ T319] lag2: Mode changed to "loadbalance"
[ 14.709306][ T322] lag2: Port device veth3 added
[ 14.950978][ T326] lag2: Port device veth5 added
[ 15.110566][ T328] 8021q: adding VLAN 0 to HW filter on device lag2
[ 15.117729][ T328] ip (328) used greatest stack depth: 23296 bytes left
[ 15.189084][ T329] 8021q: adding VLAN 0 to HW filter on device lag2
[ 15.581518][ T334] gre: GRE over IPv4 demultiplexor driver
[ 15.595470][ T334] ip_gre: GRE over IPv4 tunneling driver
[ 17.336337][ T361] lag1: Mode changed to "loadbalance"
[ 17.521055][ T364] lag1: Port device veth2 added
[ 17.817661][ T367] lag1: Port device veth4 added
[ 17.969192][ T369] 8021q: adding VLAN 0 to HW filter on device lag1
[ 24.289634][ T395] Mirror/redirect action on
[ 24.496195][ T398] GACT probability NOT on
[ 24.612786][ T399] lag2: Port device veth5 removed
[ 28.784259][ T409] lag2: Port device veth3 removed
[ 33.275148][ C3]
[ 33.275533][ C3] =============================
[ 33.275728][ C3] WARNING: suspicious RCU usage
[ 33.275909][ C3] 6.13.0-virtme #1 Not tainted
[ 33.276086][ C3] -----------------------------
[ 33.276282][ C3] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 33.276602][ C3]
[ 33.276602][ C3] other info that might help us debug this:
[ 33.276602][ C3]
[ 33.276948][ C3]
[ 33.276948][ C3] rcu_scheduler_active = 2, debug_locks = 1
[ 33.277224][ C3] 1 lock held by mirror_gre_lag_/235:
[ 33.277418][ C3] #0: ffffc90000290d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 33.277766][ C3]
[ 33.277766][ C3] stack backtrace:
[ 33.278019][ C3] CPU: 3 UID: 0 PID: 235 Comm: mirror_gre_lag_ Not tainted 6.13.0-virtme #1
[ 33.278024][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.278026][ C3] Call Trace:
[ 33.278029][ C3]
[ 33.278031][ C3] dump_stack_lvl+0xb0/0xd0
[ 33.278040][ C3] lockdep_rcu_suspicious+0x1ea/0x280
[ 33.278051][ C3] __icmp_send+0xb0d/0x1580
[ 33.278066][ C3] ? __pfx___icmp_send+0x10/0x10
[ 33.278072][ C3] ? __lock_release+0x103/0x460
[ 33.278076][ C3] ? debug_object_activate+0x389/0x4a0
[ 33.278085][ C3] ? __pfx___lock_release+0x10/0x10
[ 33.278092][ C3] ? rcu_read_lock_any_held+0x43/0xb0
[ 33.278098][ C3] ? validate_chain+0x1fe/0xae0
[ 33.278113][ C3] ? __pfx_validate_chain+0x10/0x10
[ 33.278118][ C3] ? hlock_class+0x4e/0x130
[ 33.278121][ C3] ? mark_lock+0x38/0x3e0
[ 33.278130][ C3] ? __lock_acquire+0xb9a/0x1680
[ 33.278139][ C3] ipv4_send_dest_unreach+0x3b4/0x800
[ 33.278145][ C3] ? neigh_invalidate+0x1c7/0x540
[ 33.278151][ C3] ? __pfx_ipv4_send_dest_unreach+0x10/0x10
[ 33.278163][ C3] ipv4_link_failure+0x1b/0x190
[ 33.278168][ C3] arp_error_report+0x96/0x170
[ 33.278176][ C3] neigh_invalidate+0x209/0x540
[ 33.278185][ C3] neigh_timer_handler+0x87a/0xdf0
[ 33.278195][ C3] ? __pfx_neigh_timer_handler+0x10/0x10
[ 33.278199][ C3] call_timer_fn+0x13b/0x230
[ 33.278202][ C3] ? call_timer_fn+0xe8/0x230
[ 33.278204][ C3] ? call_timer_fn+0xe8/0x230
[ 33.278208][ C3] ? __pfx_call_timer_fn+0x10/0x10
[ 33.278211][ C3] ? mark_lock+0x38/0x3e0
[ 33.278229][ C3] __run_timers+0x545/0x810
[ 33.278232][ C3] ? __pfx_neigh_timer_handler+0x10/0x10
[ 33.278242][ C3] ? __pfx___run_timers+0x10/0x10
[ 33.278245][ C3] ? clockevents_program_event+0xf6/0x300
[ 33.278255][ C3] ? do_raw_spin_lock+0x131/0x270
[ 33.278261][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 33.278266][ C3] ? lock_acquire+0x32/0xc0
[ 33.278268][ C3] ? run_timer_softirq+0xe6/0x1c0
[ 33.278278][ C3] run_timer_softirq+0xee/0x1c0
[ 33.278283][ C3] handle_softirqs+0x1f6/0x5c0
[ 33.278296][ C3] __irq_exit_rcu+0xc4/0x100
[ 33.278299][ C3] irq_exit_rcu+0xe/0x20
[ 33.278302][ C3] sysvec_apic_timer_interrupt+0x78/0x90
[ 33.278307][ C3]
[ 33.278309][ C3]
[ 33.278311][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 33.278316][ C3] RIP: 0010:_raw_write_unlock_irq+0x30/0x50
[ 33.278321][ C3] Code: 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 a5 6c 88 fd 48 89 ef e8 2d e7 88 fd e8 d8 fb ad fd fb 65 ff 0d a8 75 b0 77 <74> 06 5d c3 cc cc cc cc 0f 1f 44 00 00 5d c3 cc cc cc cc 66 66 2e
[ 33.278324][ C3] RSP: 0018:ffffc90000b37af8 EFLAGS: 00000286
[ 33.278328][ C3] RAX: 000000000004f255 RBX: dffffc0000000000 RCX: 1ffffffff13f1991
[ 33.278330][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88534f18
[ 33.278332][ C3] RBP: ffffffff8920b080 R08: 0000000000000001 R09: 0000000000000001
[ 33.278334][ C3] R10: ffffffff89f91197 R11: ffff888009142300 R12: ffff88800904f700
[ 33.278335][ C3] R13: ffff88800a33a300 R14: 0000000000000000 R15: ffff88800a33a830
[ 33.278347][ C3] ? _raw_write_unlock_irq+0x28/0x50
[ 33.278354][ C3] ? _raw_write_unlock_irq+0x28/0x50
[ 33.278357][ C3] release_task+0x2b6/0x610
[ 33.278362][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 33.278368][ C3] wait_task_zombie+0x5a5/0x1e70
[ 33.278379][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 33.278384][ C3] ? __pfx_wait_task_zombie+0x10/0x10
[ 33.278392][ C3] ? lock_acquire+0x32/0xc0
[ 33.278394][ C3] ? __do_wait+0xe9/0x730
[ 33.278405][ C3] __do_wait+0x19d/0x730
[ 33.278413][ C3] do_wait+0x160/0x320
[ 33.278420][ C3] kernel_wait4+0xf6/0x1d0
[ 33.278425][ C3] ? __pfx_kernel_wait4+0x10/0x10
[ 33.278433][ C3] ? __pfx_child_wait_callback+0x10/0x10
[ 33.278443][ C3] ? lock_acquire+0x32/0xc0
[ 33.278450][ C3] __do_sys_wait4+0xf4/0x100
[ 33.278455][ C3] ? __pfx___do_sys_wait4+0x10/0x10
[ 33.278459][ C3] ? _copy_to_user+0x5c/0x80
[ 33.278466][ C3] ? __x64_sys_rt_sigaction+0x15e/0x260
[ 33.278474][ C3] ? __pfx___x64_sys_rt_sigaction+0x10/0x10
[ 33.278477][ C3] ? _copy_to_user+0x5c/0x80
[ 33.278485][ C3] ? __pfx___x64_sys_rt_sigprocmask+0x10/0x10
[ 33.278500][ C3] do_syscall_64+0xc1/0x1d0
[ 33.278508][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 33.278511][ C3] RIP: 0033:0x7f0a9628e30a
[ 33.278520][ C3] Code: Unable to access opcode bytes at 0x7f0a9628e2e0.
[ 33.278522][ C3] RSP: 002b:00007fff5317f3e8 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[ 33.278524][ C3] RAX: ffffffffffffffda RBX: 000055727d0694c0 RCX: 00007f0a9628e30a
[ 33.278526][ C3] RDX: 0000000000000000 RSI: 00007fff5317f410 RDI: 00000000ffffffff
[ 33.278528][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 33.278529][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 33.278530][ C3] R13: 0000000000000000 R14: 00007fff5317f470 R15: 0000000000000000
[ 33.278546][ C3]
[ 34.329793][ T439] lag2: Mode changed to "loadbalance"
[ 34.536801][ T442] lag2: Port device veth3 added
[ 34.815413][ T447] lag2: Port device veth5 added
[ 34.981347][ T449] 8021q: adding VLAN 0 to HW filter on device lag2
[ 35.088453][ T450] 8021q: adding VLAN 0 to HW filter on device lag2
[ 41.591502][ T484] lag2: Port device veth3 removed
[ 45.730865][ T494] lag2: Port device veth5 removed
[ 51.132183][ T524] lag2: Mode changed to "loadbalance"
[ 51.327648][ T527] lag2: Port device veth3 added
[ 51.643253][ T532] lag2: Port device veth5 added
[ 51.817758][ T534] 8021q: adding VLAN 0 to HW filter on device lag2
[ 51.916400][ T535] 8021q: adding VLAN 0 to HW filter on device lag2
[ 58.366399][ T361] lag1: Port device veth4 removed
[ 58.378049][ T361] lag1: Port device veth2 removed
[ 60.337809][ T524] lag2: Port device veth5 removed
[ 60.347917][ T524] lag2: Port device veth3 removed