======================================
| [ 4992.808103][    C0] rcu_scheduler_active = 2, debug_locks = 1
| [ 4992.808488][    C0] no locks held by ksoftirqd/0/14.
| [ 4992.808747][    C0]
| [ 4992.808747][    C0] stack backtrace:
[ 4992.809061][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 4992.809063][    C0] Call Trace:
[ 4992.809065][    C0]  <TASK>
[ 4992.809068][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 4992.809079][ C0] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6866) 
[ 4992.809090][ C0] veth_xdp_rcv (drivers/net/veth.c:907 (discriminator 9)) 
[ 4992.809098][ C0] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 4992.809104][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 4992.809113][ C0] ? __pfx_veth_xdp_rcv (drivers/net/veth.c:899) 
[ 4992.809118][ C0] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 4992.809130][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:387 kernel/rcu/update.c:380) 
[ 4992.809135][ C0] ? stack_depot_save_flags (lib/stackdepot.c:552 lib/stackdepot.c:619) 
[ 4992.809142][ C0] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 4992.809152][ C0] veth_poll (drivers/net/veth.c:977) 
[ 4992.809157][ C0] ? __pfx_veth_poll (drivers/net/veth.c:965) 
[ 4992.809160][ C0] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 4992.809171][ C0] ? dl_scaled_delta_exec (kernel/sched/deadline.c:1481) 
[ 4992.809187][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 4992.809190][ C0] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 4992.809202][ C0] __napi_poll.constprop.0 (net/core/dev.c:7413) 
[ 4992.809206][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 4992.809213][ C0] net_rx_action (net/core/dev.c:7477 net/core/dev.c:7599) 
[ 4992.809224][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 4992.809228][ C0] ? __pfx_net_rx_action (net/core/dev.c:7561) 
[ 4992.809232][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 4992.809236][ C0] ? trace_sched_exit_tp (./include/trace/events/sched.h:829 (discriminator 21)) 
[ 4992.809242][ C0] ? __schedule (kernel/sched/core.c:6646) 
[ 4992.809253][ C0] ? __pfx___schedule (kernel/sched/core.c:6646) 
[ 4992.809266][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 4992.809274][ C0] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 4992.809280][ C0] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 4992.809283][ C0] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 4992.809288][ C0] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 4992.809293][ C0] kthread (kernel/kthread.c:464) 
[ 4992.809297][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4992.809299][ C0] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 4992.809303][ C0] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 4992.809308][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 4992.809312][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 4992.809317][ C0] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 4992.809320][ C0] ? __pfx_kthread (kernel/kthread.c:413) 


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