[ 4083.887497][  T516] veth0: renamed from veth-rt-1
[ 4084.660130][  T524] veth0: renamed from veth-rt-2
[ 4100.443451][    C1] 
[ 4100.443865][    C1] =============================
[ 4100.444048][    C1] WARNING: suspicious RCU usage
[ 4100.444225][    C1] 6.13.0-virtme #1 Not tainted
[ 4100.444398][    C1] -----------------------------
[ 4100.444601][    C1] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 4100.444899][    C1] 
[ 4100.444899][    C1] other info that might help us debug this:
[ 4100.444899][    C1] 
[ 4100.445229][    C1] 
[ 4100.445229][    C1] rcu_scheduler_active = 2, debug_locks = 1
[ 4100.445486][    C1] 1 lock held by swapper/1/0:
[ 4100.445664][    C1]  #0: ffffc900001e0ae8 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 4100.446004][    C1] 
[ 4100.446004][    C1] stack backtrace:
[ 4100.446228][    C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.13.0-virtme #1
[ 4100.446234][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4100.446238][    C1] Call Trace:
[ 4100.446241][    C1]  <IRQ>
[ 4100.446247][    C1]  dump_stack_lvl+0xb0/0xd0
[ 4100.446266][    C1]  lockdep_rcu_suspicious+0x1ea/0x280
[ 4100.446289][    C1]  icmp6_send+0x10c7/0x1c00
[ 4100.446299][    C1]  ? rcu_read_lock_any_held+0x43/0xb0
[ 4100.446310][    C1]  ? validate_chain+0x1fe/0xae0
[ 4100.446324][    C1]  ? __pfx_validate_chain+0x10/0x10
[ 4100.446353][    C1]  ? __pfx_icmp6_send+0x10/0x10
[ 4100.446374][    C1]  ? __pfx_validate_chain+0x10/0x10
[ 4100.446385][    C1]  ? hlock_class+0x4e/0x130
[ 4100.446393][    C1]  ? mark_lock+0x38/0x3e0
[ 4100.446419][    C1]  ? __lock_acquire+0xb9a/0x1680
[ 4100.446435][    C1]  ? find_held_lock+0x2c/0x110
[ 4100.446453][    C1]  ? __lock_release+0x103/0x460
[ 4100.446460][    C1]  ? neigh_invalidate+0x1c7/0x540
[ 4100.446473][    C1]  ? __pfx___lock_release+0x10/0x10
[ 4100.446483][    C1]  ? lock_acquire.part.0+0xeb/0x330
[ 4100.446513][    C1]  ip6_link_failure+0x30/0x430
[ 4100.446533][    C1]  ndisc_error_report+0x96/0x170
[ 4100.446547][    C1]  neigh_invalidate+0x209/0x540
[ 4100.446572][    C1]  neigh_timer_handler+0x87a/0xdf0
[ 4100.446596][    C1]  ? __pfx_neigh_timer_handler+0x10/0x10
[ 4100.446605][    C1]  call_timer_fn+0x13b/0x230
[ 4100.446613][    C1]  ? call_timer_fn+0xe8/0x230
[ 4100.446620][    C1]  ? call_timer_fn+0xe8/0x230
[ 4100.446631][    C1]  ? __pfx_call_timer_fn+0x10/0x10
[ 4100.446654][    C1]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 4100.446687][    C1]  __run_timers+0x545/0x810
[ 4100.446696][    C1]  ? __pfx_neigh_timer_handler+0x10/0x10
[ 4100.446724][    C1]  ? __pfx___run_timers+0x10/0x10
[ 4100.446732][    C1]  ? __lock_release+0x103/0x460
[ 4100.446752][    C1]  ? do_raw_spin_lock+0x131/0x270
[ 4100.446764][    C1]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 4100.446773][    C1]  ? lock_acquire+0x32/0xc0
[ 4100.446781][    C1]  ? timer_expire_remote+0x96/0xf0
[ 4100.446808][    C1]  timer_expire_remote+0x9e/0xf0
[ 4100.446820][    C1]  tmigr_handle_remote_cpu+0x278/0x440
[ 4100.446836][    C1]  ? __pfx_tmigr_handle_remote_cpu+0x10/0x10
[ 4100.446845][    C1]  ? __pfx___lock_release+0x10/0x10
[ 4100.446854][    C1]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 4100.446905][    C1]  tmigr_handle_remote_up+0x1a6/0x270
[ 4100.446921][    C1]  ? __pfx_tmigr_handle_remote_up+0x10/0x10
[ 4100.446935][    C1]  __walk_groups.isra.0+0x44/0x160
[ 4100.446957][    C1]  tmigr_handle_remote+0x20b/0x300
[ 4100.446968][    C1]  ? __pfx_tmigr_handle_remote+0x10/0x10
[ 4100.446975][    C1]  ? do_raw_spin_lock+0x131/0x270
[ 4100.446986][    C1]  ? spin_bug+0x162/0x1d0
[ 4100.447006][    C1]  ? lockdep_hardirqs_on_prepare+0x12b/0x410
[ 4100.447031][    C1]  handle_softirqs+0x1f6/0x5c0
[ 4100.447063][    C1]  __irq_exit_rcu+0xc4/0x100
[ 4100.447072][    C1]  irq_exit_rcu+0xe/0x20
[ 4100.447078][    C1]  sysvec_apic_timer_interrupt+0x78/0x90
[ 4100.447090][    C1]  </IRQ>
[ 4100.447093][    C1]  <TASK>
[ 4100.447099][    C1]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 4100.447108][    C1] RIP: 0010:default_idle+0xf/0x20
[ 4100.447116][    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 03 ac 0f 00 fb f4 <fa> c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
[ 4100.447122][    C1] RSP: 0000:ffffc90000157df8 EFLAGS: 00000242
[ 4100.447128][    C1] RAX: 0000000005fb8931 RBX: 1ffff9200002afc1 RCX: ffffffffad166b35
[ 4100.447133][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffaa7733d4
[ 4100.447137][    C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100da1703a
[ 4100.447141][    C1] R10: ffff88806d0b81d3 R11: ffff888001b0c5c0 R12: 0000000000000000
[ 4100.447145][    C1] R13: ffff888001b0c5c0 R14: dffffc0000000000 R15: 0000000000000000
[ 4100.447170][    C1]  ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 4100.447180][    C1]  ? cpuidle_idle_call+0x1f4/0x280
[ 4100.447198][    C1]  default_idle_call+0x6d/0xb0
[ 4100.447205][    C1]  cpuidle_idle_call+0x1f4/0x280
[ 4100.447214][    C1]  ? __pfx_cpuidle_idle_call+0x10/0x10
[ 4100.447231][    C1]  ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 4100.447255][    C1]  do_idle+0xf6/0x160
[ 4100.447270][    C1]  cpu_startup_entry+0x54/0x60
[ 4100.447279][    C1]  start_secondary+0x21e/0x2b0
[ 4100.447291][    C1]  ? __pfx_start_secondary+0x10/0x10
[ 4100.447319][    C1]  common_startup_64+0x12c/0x138
[ 4100.447366][    C1]  </TASK>