======================================
| [   27.727349][    C2] rcu_scheduler_active = 2, debug_locks = 1
| [   27.727731][    C2] no locks held by ksoftirqd/2/27.
| [   27.727996][    C2]
| [   27.727996][    C2] stack backtrace:
[   27.728307][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.728309][    C2] Call Trace:
[   27.728311][    C2]  <TASK>
[ 27.728314][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 27.728326][ C2] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6866) 
[ 27.728338][ C2] veth_xdp_rcv (drivers/net/veth.c:907 (discriminator 9)) 
[ 27.728345][ C2] ? ip_local_deliver_finish (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/ipv4/ip_input.c:234) 
[ 27.728354][ C2] ? ip_local_deliver_finish (net/ipv4/ip_input.c:237) 
[ 27.728361][ C2] ? ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 27.728367][ C2] ? __pfx_veth_xdp_rcv (drivers/net/veth.c:899) 
[ 27.728375][ C2] ? ip_rcv_finish_core (./include/linux/skbuff.h:1160 ./include/net/route.h:88 net/ipv4/ip_input.c:390) 
[ 27.728389][ C2] veth_poll (drivers/net/veth.c:977) 
[ 27.728394][ C2] ? __pfx_veth_poll (drivers/net/veth.c:965) 
[ 27.728406][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 27.728411][ C2] ? process_backlog (net/core/dev.c:6443) 
[ 27.728416][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 27.728423][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 27.728429][ C2] ? _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) 
[ 27.728437][ C2] ? _raw_spin_unlock_irq (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 27.728441][ C2] ? process_backlog (net/core/dev.c:6443) 
[ 27.728446][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 27.728453][ C2] __napi_poll.constprop.0 (net/core/dev.c:7383) 
[ 27.728456][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 27.728462][ C2] net_rx_action (net/core/dev.c:7447 net/core/dev.c:7569) 
[ 27.728474][ C2] ? __pfx_net_rx_action (net/core/dev.c:7531) 
[ 27.728479][ C2] ? _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) 
[ 27.728484][ C2] ? _raw_spin_unlock_irq (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 27.728503][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 27.728514][ C2] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 27.728520][ C2] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 27.728523][ C2] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 27.728529][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 27.728534][ C2] kthread (kernel/kthread.c:464) 
[ 27.728539][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 27.728542][ C2] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 27.728547][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 27.728552][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 27.728556][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 27.728561][ C2] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 27.728564][ C2] ? __pfx_kthread (kernel/kthread.c:413) 


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