======================================
| [   23.195429][    C0] rcu_scheduler_active = 2, debug_locks = 1
| [   23.195788][    C0] no locks held by ksoftirqd/0/14.
| [   23.196031][    C0]
| [   23.196031][    C0] stack backtrace:
[   23.196343][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.196346][    C0] Call Trace:
[   23.196348][    C0]  <TASK>
[ 23.196351][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 23.196364][ C0] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6866) 
[ 23.196375][ C0] veth_xdp_rcv (drivers/net/veth.c:907 (discriminator 9)) 
[ 23.196392][ C0] ? __pfx_veth_xdp_rcv (drivers/net/veth.c:899) 
[ 23.196402][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 23.196417][ C0] veth_poll (drivers/net/veth.c:977) 
[ 23.196422][ C0] ? __pfx_veth_poll (drivers/net/veth.c:965) 
[ 23.196431][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 23.196441][ C0] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 23.196448][ C0] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.196454][ C0] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 23.196466][ C0] __napi_poll.constprop.0 (net/core/dev.c:7383) 
[ 23.196471][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 23.196479][ C0] net_rx_action (net/core/dev.c:7447 net/core/dev.c:7569) 
[ 23.196489][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 23.196497][ C0] ? __pfx_net_rx_action (net/core/dev.c:7531) 
[ 23.196501][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 23.196505][ C0] ? trace_sched_exit_tp (./include/trace/events/sched.h:829 (discriminator 21)) 
[ 23.196512][ C0] ? __schedule (kernel/sched/core.c:6646) 
[ 23.196523][ C0] ? __pfx___schedule (kernel/sched/core.c:6646) 
[ 23.196535][ C0] handle_softirqs (kernel/softirq.c:579) 
[ 23.196547][ C0] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 23.196553][ C0] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 23.196557][ C0] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 23.196562][ C0] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 23.196568][ C0] kthread (kernel/kthread.c:464) 
[ 23.196573][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 23.196576][ C0] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 23.196581][ C0] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 23.196586][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 23.196590][ C0] ? __pfx_kthread (kernel/kthread.c:413) 
[ 23.196595][ C0] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 23.196598][ C0] ? __pfx_kthread (kernel/kthread.c:413) 


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