[ 28.208740][ C0] BUG: spinlock bad magic on CPU#0, kworker/u16:1/72
[ 28.208963][ C0] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:1/72, .owner_cpu: 0
[ 28.209285][ C0] CPU: 0 UID: 0 PID: 72 Comm: kworker/u16:1 Not tainted 6.10.0-virtme #1
[ 28.209518][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 28.209849][ C0] Workqueue: netns cleanup_net
[ 28.210004][ C0] Call Trace:
[ 28.210121][ C0]
[ 28.210221][ C0] dump_stack_lvl+0xb0/0xd0
[ 28.210381][ C0] do_raw_spin_unlock+0x1ac/0x220
[ 28.210536][ C0] _raw_spin_unlock+0x23/0x40
[ 28.210692][ C0] net_tx_action+0x424/0x680
[ 28.210846][ C0] handle_softirqs+0x1f9/0x5c0
[ 28.210995][ C0] ? dev_deactivate_many+0x1e2/0x8d0
[ 28.211153][ C0] do_softirq+0x4d/0xa0
[ 28.211262][ C0]
[ 28.211332][ C0]
[ 28.211410][ C0] __local_bh_enable_ip+0xf6/0x120
[ 28.211560][ C0] dev_deactivate_many+0x1e7/0x8d0
[ 28.211706][ C0] __dev_close_many+0x12b/0x2d0
[ 28.211859][ C0] ? __pfx___dev_close_many+0x10/0x10
[ 28.212005][ C0] ? __lock_acquire+0xa70/0x1560
[ 28.212157][ C0] dev_close_many+0x202/0x650
[ 28.212309][ C0] ? lock_acquire.part.0+0xeb/0x330
[ 28.212461][ C0] ? default_device_exit_batch+0x81/0x2d0
[ 28.212615][ C0] ? __pfx_dev_close_many+0x10/0x10
[ 28.212764][ C0] ? fou_exit_net+0x2f/0xf0
[ 28.212926][ C0] ? __mutex_trylock_common+0xfa/0x260
[ 28.213072][ C0] unregister_netdevice_many_notify+0x8e5/0x1570
[ 28.213258][ C0] ? lock_acquire+0x32/0xc0
[ 28.213409][ C0] ? trace_contention_end+0xeb/0x150
[ 28.213560][ C0] ? __mutex_lock+0x170/0xac0
[ 28.213718][ C0] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 28.213906][ C0] ? __mutex_lock+0x170/0xac0
[ 28.214048][ C0] ? find_held_lock+0x2c/0x110
[ 28.214204][ C0] ? mutex_is_locked+0x17/0x50
[ 28.214348][ C0] ? rtnl_is_locked+0x15/0x20
[ 28.214493][ C0] ? unregister_netdevice_queue+0x70/0x410
[ 28.214677][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 28.214866][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 28.215059][ C0] default_device_exit_batch+0x234/0x2d0
[ 28.215201][ C0] ? __pfx_default_device_exit_batch+0x10/0x10
[ 28.215386][ C0] ? ops_exit_list+0xb4/0x170
[ 28.215538][ C0] cleanup_net+0x4ef/0xb10
[ 28.215695][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 28.215846][ C0] ? __pfx_cleanup_net+0x10/0x10
[ 28.215996][ C0] ? trace_lock_acquire+0x14d/0x1f0
[ 28.216158][ C0] ? process_one_work+0xdf1/0x1670
[ 28.216309][ C0] ? lock_acquire+0x32/0xc0
[ 28.216453][ C0] ? process_one_work+0xdf1/0x1670
[ 28.216600][ C0] process_one_work+0xe3b/0x1670
[ 28.216746][ C0] ? __pfx___lock_release+0x10/0x10
[ 28.216894][ C0] ? __pfx_process_one_work+0x10/0x10
[ 28.217047][ C0] ? assign_work+0x16c/0x240
[ 28.217208][ C0] worker_thread+0x587/0xce0
[ 28.217353][ C0] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 28.217538][ C0] ? __pfx_worker_thread+0x10/0x10
[ 28.217690][ C0] ? __pfx_worker_thread+0x10/0x10
[ 28.217835][ C0] kthread+0x28a/0x350
[ 28.217943][ C0] ? __pfx_kthread+0x10/0x10
[ 28.218087][ C0] ret_from_fork+0x31/0x70
[ 28.218235][ C0] ? __pfx_kthread+0x10/0x10
[ 28.218473][ C0] ret_from_fork_asm+0x1a/0x30
[ 28.218620][ C0]