======================================
| [ 5320.375024][    C1] rcu_scheduler_active = 2, debug_locks = 1
| [ 5320.375363][    C1] no locks held by ksoftirqd/1/22.
| [ 5320.375598][    C1]
| [ 5320.375598][    C1] stack backtrace:
[ 5320.375893][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 5320.375895][    C1] Call Trace:
[ 5320.375897][    C1]  <TASK>
[ 5320.375900][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 5320.375912][ C1] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6866) 
[ 5320.375924][ C1] veth_xdp_rcv (drivers/net/veth.c:907 (discriminator 9)) 
[ 5320.375938][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380) 
[ 5320.375945][ C1] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 5320.375954][ C1] ? __pfx_veth_xdp_rcv (drivers/net/veth.c:899) 
[ 5320.375961][ C1] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 5320.375969][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 5320.375972][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 5320.375975][ C1] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 5320.375980][ C1] ? __kasan_mempool_poison_object (mm/kasan/common.c:523) 
[ 5320.375983][ C1] ? napi_skb_cache_put (net/core/skbuff.c:1420) 
[ 5320.375987][ C1] ? net_rx_action (net/core/dev.c:6601 net/core/dev.c:6587 net/core/dev.c:7550) 
[ 5320.375992][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 5320.375999][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 5320.376002][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 5320.376006][ C1] ? kthread (kernel/kthread.c:464) 
[ 5320.376009][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 5320.376014][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 5320.376025][ C1] veth_poll (drivers/net/veth.c:977) 
[ 5320.376029][ C1] ? __pfx_veth_poll (drivers/net/veth.c:965) 
[ 5320.376042][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 5320.376053][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 5320.376059][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 5320.376067][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 5320.376075][ C1] __napi_poll.constprop.0 (net/core/dev.c:7383) 
[ 5320.376081][ C1] net_rx_action (net/core/dev.c:7447 net/core/dev.c:7569) 
[ 5320.376091][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 5320.376099][ C1] ? __pfx_net_rx_action (net/core/dev.c:7531) 
[ 5320.376103][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 5320.376107][ C1] ? trace_sched_exit_tp (./include/trace/events/sched.h:829 (discriminator 21)) 
[ 5320.376115][ C1] ? __schedule (kernel/sched/core.c:6646) 
[ 5320.376126][ C1] ? __pfx___schedule (kernel/sched/core.c:6646) 
[ 5320.376138][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 5320.376145][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 5320.376150][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 5320.376154][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 5320.376158][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 5320.376162][ C1] kthread (kernel/kthread.c:464) 
[ 5320.376167][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 5320.376169][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 5320.376172][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 5320.376177][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 5320.376180][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 5320.376185][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 5320.376188][ C1] ? __pfx_kthread (kernel/kthread.c:413) 


Finger prints:
lockdep_rcu_suspicious:veth_xdp_rcv:veth_poll:net_rx_action:handle_softirqs