[ 3242.800192][T27593] gre: GRE over IPv4 demultiplexor driver
[ 3243.981242][T27616] ip_gre: GRE over IPv4 tunneling driver
[ 3269.849110][    C0] 
[ 3269.849533][    C0] =============================
[ 3269.849778][    C0] WARNING: suspicious RCU usage
[ 3269.850003][    C0] 6.13.0-virtme #1 Not tainted
[ 3269.850253][    C0] -----------------------------
[ 3269.850484][    C0] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 3269.850884][    C0] 
[ 3269.850884][    C0] other info that might help us debug this:
[ 3269.850884][    C0] 
[ 3269.851342][    C0] 
[ 3269.851342][    C0] rcu_scheduler_active = 2, debug_locks = 1
[ 3269.851694][    C0] 1 lock held by swapper/0/0:
[ 3269.851928][    C0]  #0: ffffc90000007d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 3269.852374][    C0] 
[ 3269.852374][    C0] stack backtrace:
[ 3269.852665][    C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.13.0-virtme #1
[ 3269.852669][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3269.852672][    C0] Call Trace:
[ 3269.852674][    C0]  <IRQ>
[ 3269.852677][    C0]  dump_stack_lvl+0xb0/0xd0
[ 3269.852687][    C0]  lockdep_rcu_suspicious+0x1ea/0x280
[ 3269.852699][    C0]  __icmp_send+0xafd/0x1570
[ 3269.852714][    C0]  ? __lock_acquire+0xb9a/0x1680
[ 3269.852719][    C0]  ? __pfx___icmp_send+0x10/0x10
[ 3269.852727][    C0]  ? rcu_read_lock_any_held+0x43/0xb0
[ 3269.852734][    C0]  ? validate_chain+0x1fe/0xae0
[ 3269.852743][    C0]  ? rcu_read_lock_any_held+0x43/0xb0
[ 3269.852746][    C0]  ? validate_chain+0x1fe/0xae0
[ 3269.852759][    C0]  ? __pfx_validate_chain+0x10/0x10
[ 3269.852763][    C0]  ? hlock_class+0x4e/0x130
[ 3269.852766][    C0]  ? mark_lock+0x38/0x3e0
[ 3269.852776][    C0]  ? __lock_acquire+0xb9a/0x1680
[ 3269.852786][    C0]  ipv4_send_dest_unreach+0x3b5/0x820
[ 3269.852793][    C0]  ? neigh_invalidate+0x1c7/0x540
[ 3269.852800][    C0]  ? __pfx_ipv4_send_dest_unreach+0x10/0x10
[ 3269.852814][    C0]  ipv4_link_failure+0x1b/0x190
[ 3269.852820][    C0]  arp_error_report+0x96/0x170
[ 3269.852827][    C0]  neigh_invalidate+0x209/0x540
[ 3269.852837][    C0]  neigh_timer_handler+0x87a/0xdf0
[ 3269.852846][    C0]  ? __pfx_neigh_timer_handler+0x10/0x10
[ 3269.852850][    C0]  call_timer_fn+0x13b/0x230
[ 3269.852854][    C0]  ? call_timer_fn+0xe8/0x230
[ 3269.852856][    C0]  ? call_timer_fn+0xe8/0x230
[ 3269.852861][    C0]  ? __pfx_call_timer_fn+0x10/0x10
[ 3269.852864][    C0]  ? mark_lock+0x38/0x3e0
[ 3269.852883][    C0]  __run_timers+0x545/0x810
[ 3269.852887][    C0]  ? __pfx_neigh_timer_handler+0x10/0x10
[ 3269.852897][    C0]  ? __pfx___run_timers+0x10/0x10
[ 3269.852900][    C0]  ? clockevents_program_event+0xf6/0x300
[ 3269.852910][    C0]  ? do_raw_spin_lock+0x131/0x270
[ 3269.852915][    C0]  ? __pfx_do_raw_spin_lock+0x10/0x10
[ 3269.852919][    C0]  ? lock_acquire+0x32/0xc0
[ 3269.852922][    C0]  ? run_timer_softirq+0xe6/0x1c0
[ 3269.852932][    C0]  run_timer_softirq+0xee/0x1c0
[ 3269.852938][    C0]  handle_softirqs+0x1f6/0x5c0
[ 3269.852951][    C0]  __irq_exit_rcu+0xc4/0x100
[ 3269.852954][    C0]  irq_exit_rcu+0xe/0x20
[ 3269.852957][    C0]  sysvec_apic_timer_interrupt+0x78/0x90
[ 3269.852962][    C0]  </IRQ>
[ 3269.852963][    C0]  <TASK>
[ 3269.852966][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 3269.852971][    C0] RIP: 0010:default_idle+0xf/0x20
[ 3269.852975][    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 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
[ 3269.852978][    C0] RSP: 0018:ffffffff93807e00 EFLAGS: 00000246
[ 3269.852982][    C0] RAX: 0000000005a527b7 RBX: 1ffffffff2700fc2 RCX: ffffffff92b66b35
[ 3269.852984][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff901733d4
[ 3269.852985][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100da0703a
[ 3269.852987][    C0] R10: ffff88806d0381d3 R11: ffffffff93830fc0 R12: 0000000000000000
[ 3269.852989][    C0] R13: ffffffff93830fc0 R14: dffffc0000000000 R15: 0000000000014770
[ 3269.852999][    C0]  ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 3269.853003][    C0]  ? cpuidle_idle_call+0x1f4/0x280
[ 3269.853010][    C0]  default_idle_call+0x6d/0xb0
[ 3269.853013][    C0]  cpuidle_idle_call+0x1f4/0x280
[ 3269.853017][    C0]  ? __pfx_cpuidle_idle_call+0x10/0x10
[ 3269.853023][    C0]  ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 3269.853035][    C0]  do_idle+0xf6/0x160
[ 3269.853041][    C0]  cpu_startup_entry+0x54/0x60
[ 3269.853044][    C0]  rest_init+0x14f/0x260
[ 3269.853051][    C0]  start_kernel+0x350/0x410
[ 3269.853059][    C0]  x86_64_start_reservations+0x18/0x30
[ 3269.853063][    C0]  x86_64_start_kernel+0xba/0x110
[ 3269.853068][    C0]  common_startup_64+0x12c/0x138
[ 3269.853091][    C0]  </TASK>
[ 3280.642721][T28187] ip6_gre: GRE over IPv6 tunneling driver
[ 3295.866499][T28437] ping (28437) used greatest stack depth: 22080 bytes left
[ 3305.689310][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3309.593196][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3313.049212][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3317.145198][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!