======================================
| [ 5319.024837][    C1] rcu_scheduler_active = 2, debug_locks = 1
| [ 5319.025195][    C1] no locks held by ksoftirqd/1/22.
| [ 5319.025457][    C1]
| [ 5319.025457][    C1] stack backtrace:
[ 5319.025765][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 5319.025767][    C1] Call Trace:
[ 5319.025769][    C1]  <TASK>
[ 5319.025772][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 5319.025786][ C1] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6866) 
[ 5319.025797][ C1] veth_xdp_rcv (drivers/net/veth.c:907 (discriminator 9)) 
[ 5319.025804][ C1] ? ip_local_deliver_finish (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/ip_input.c:234) 
[ 5319.025815][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:237) 
[ 5319.025821][ C1] ? ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 5319.025827][ C1] ? __pfx_veth_xdp_rcv (drivers/net/veth.c:899) 
[ 5319.025835][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1160 ./include/net/route.h:88 net/ipv4/ip_input.c:390) 
[ 5319.025850][ C1] veth_poll (drivers/net/veth.c:977) 
[ 5319.025854][ C1] ? __pfx_veth_poll (drivers/net/veth.c:965) 
[ 5319.025866][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 5319.025872][ C1] ? process_backlog (net/core/dev.c:6443) 
[ 5319.025876][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 5319.025883][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 5319.025890][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 5319.025898][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 5319.025902][ C1] ? process_backlog (net/core/dev.c:6443) 
[ 5319.025908][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 5319.025914][ C1] __napi_poll.constprop.0 (net/core/dev.c:7383) 
[ 5319.025917][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 5319.025924][ C1] net_rx_action (net/core/dev.c:7447 net/core/dev.c:7569) 
[ 5319.025934][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 5319.025938][ C1] ? __pfx_net_rx_action (net/core/dev.c:7531) 
[ 5319.025941][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 5319.025945][ C1] ? trace_sched_exit_tp (./include/trace/events/sched.h:829 (discriminator 21)) 
[ 5319.025953][ C1] ? __schedule (kernel/sched/core.c:6646) 
[ 5319.025964][ C1] ? __pfx___schedule (kernel/sched/core.c:6646) 
[ 5319.025976][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 5319.025987][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 5319.025993][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 5319.025996][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 5319.026001][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 5319.026006][ C1] kthread (kernel/kthread.c:464) 
[ 5319.026011][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 5319.026013][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 5319.026017][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 5319.026022][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 5319.026026][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 5319.026031][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 5319.026034][ C1] ? __pfx_kthread (kernel/kthread.c:413) 


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