======================================
| [   60.904829][    C2] rcu_scheduler_active = 2, debug_locks = 1
| [   60.905189][    C2] no locks held by ksoftirqd/2/27.
| [   60.905432][    C2]
| [   60.905432][    C2] stack backtrace:
[   60.905732][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.905734][    C2] Call Trace:
[   60.905736][    C2]  <TASK>
[ 60.905738][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 60.905748][ C2] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6866) 
[ 60.905758][ C2] veth_xdp_rcv (drivers/net/veth.c:907 (discriminator 9)) 
[ 60.905764][ C2] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 60.905773][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 60.905778][ C2] ? __pfx_veth_xdp_rcv (drivers/net/veth.c:899) 
[ 60.905784][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.905789][ C2] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 60.905797][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 60.905807][ C2] veth_poll (drivers/net/veth.c:977) 
[ 60.905811][ C2] ? __pfx_veth_poll (drivers/net/veth.c:965) 
[ 60.905820][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 60.905825][ C2] ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) 
[ 60.905831][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 60.905836][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.905839][ C2] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 60.905847][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 60.905858][ C2] __napi_poll.constprop.0 (net/core/dev.c:7383) 
[ 60.905861][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 60.905868][ C2] net_rx_action (net/core/dev.c:7447 net/core/dev.c:7569) 
[ 60.905880][ C2] ? __pfx_net_rx_action (net/core/dev.c:7531) 
[ 60.905885][ 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) 
[ 60.905890][ C2] ? _raw_spin_unlock_irq (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:160 kernel/locking/spinlock.c:202) 
[ 60.905909][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 60.905917][ C2] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 60.905923][ C2] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 60.905926][ C2] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 60.905931][ C2] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 60.905936][ C2] kthread (kernel/kthread.c:464) 
[ 60.905941][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 60.905943][ C2] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 60.905947][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 60.905952][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 60.905956][ C2] ? __pfx_kthread (kernel/kthread.c:413) 
[ 60.905961][ C2] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 60.905964][ C2] ? __pfx_kthread (kernel/kthread.c:413) 


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