======================================
| [  121.029749][    C1] rcu_scheduler_active = 2, debug_locks = 1
| [  121.030099][    C1] no locks held by ksoftirqd/1/22.
| [  121.030344][    C1]
| [  121.030344][    C1] stack backtrace:
[  121.030634][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.030636][    C1] Call Trace:
[  121.030638][    C1]  <TASK>
[ 121.030641][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 121.030654][ C1] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6866) 
[ 121.030666][ C1] veth_xdp_rcv (drivers/net/veth.c:907 (discriminator 9)) 
[ 121.030680][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380) 
[ 121.030686][ C1] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 121.030695][ C1] ? __pfx_veth_xdp_rcv (drivers/net/veth.c:899) 
[ 121.030703][ C1] ? kasan_save_stack (mm/kasan/common.c:49) 
[ 121.030710][ C1] ? kasan_save_stack (mm/kasan/common.c:48) 
[ 121.030713][ C1] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 121.030716][ C1] ? kasan_save_free_info (mm/kasan/generic.c:579) 
[ 121.030720][ C1] ? __kasan_mempool_poison_object (mm/kasan/common.c:523) 
[ 121.030723][ C1] ? napi_skb_cache_put (net/core/skbuff.c:1421) 
[ 121.030727][ C1] ? net_rx_action (net/core/dev.c:6631 net/core/dev.c:6617 net/core/dev.c:7580) 
[ 121.030732][ C1] ? handle_softirqs (kernel/softirq.c:579) 
[ 121.030738][ C1] ? run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 121.030741][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 121.030745][ C1] ? kthread (kernel/kthread.c:464) 
[ 121.030748][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 121.030753][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 121.030763][ C1] veth_poll (drivers/net/veth.c:977) 
[ 121.030767][ C1] ? __pfx_veth_poll (drivers/net/veth.c:965) 
[ 121.030779][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 121.030790][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 121.030796][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 121.030802][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 121.030810][ C1] __napi_poll.constprop.0 (net/core/dev.c:7413) 
[ 121.030817][ C1] net_rx_action (net/core/dev.c:7477 net/core/dev.c:7599) 
[ 121.030827][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 121.030832][ C1] ? __pfx_net_rx_action (net/core/dev.c:7561) 
[ 121.030835][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 121.030839][ C1] ? trace_sched_exit_tp (./include/trace/events/sched.h:829 (discriminator 21)) 
[ 121.030846][ C1] ? __schedule (kernel/sched/core.c:6646) 
[ 121.030858][ C1] ? __pfx___schedule (kernel/sched/core.c:6646) 
[ 121.030870][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 121.030877][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 121.030882][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 121.030886][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 121.030890][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 121.030895][ C1] kthread (kernel/kthread.c:464) 
[ 121.030899][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 121.030901][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 121.030904][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 121.030909][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 121.030913][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 121.030918][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 121.030921][ C1] ? __pfx_kthread (kernel/kthread.c:413) 


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