[ 280.564691][ C3] BUG: spinlock bad magic on CPU#3, kworker/u16:1/72
[ 280.564951][ C3] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:1/72, .owner_cpu: 3
[ 280.565277][ C3] CPU: 3 UID: 0 PID: 72 Comm: kworker/u16:1 Not tainted 6.10.0-virtme #1
[ 280.565521][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 280.565832][ C3] Workqueue: netns cleanup_net
[ 280.565977][ C3] Call Trace:
[ 280.566089][ C3]
[ 280.566162][ C3] dump_stack_lvl+0xb0/0xd0
[ 280.566313][ C3] do_raw_spin_unlock+0x1ac/0x220
[ 280.566494][ C3] _raw_spin_unlock+0x23/0x40
[ 280.566640][ C3] net_tx_action+0x424/0x680
[ 280.566809][ C3] handle_softirqs+0x1f9/0x5c0
[ 280.566955][ C3] ? dev_deactivate_many+0x1e2/0x8d0
[ 280.567126][ C3] do_softirq+0x4d/0xa0
[ 280.567241][ C3]
[ 280.567318][ C3]
[ 280.567395][ C3] __local_bh_enable_ip+0xf6/0x120
[ 280.567551][ C3] dev_deactivate_many+0x1e7/0x8d0
[ 280.567707][ C3] __dev_close_many+0x12b/0x2d0
[ 280.567861][ C3] ? __pfx___dev_close_many+0x10/0x10
[ 280.568038][ C3] ? __lock_acquire+0xa70/0x1560
[ 280.568180][ C3] dev_close_many+0x202/0x650
[ 280.568334][ C3] ? lock_acquire.part.0+0xeb/0x330
[ 280.568485][ C3] ? default_device_exit_batch+0x81/0x2d0
[ 280.568636][ C3] ? __pfx_dev_close_many+0x10/0x10
[ 280.568797][ C3] ? fou_exit_net+0x2f/0xf0
[ 280.568943][ C3] ? __mutex_trylock_common+0xfa/0x260
[ 280.569086][ C3] unregister_netdevice_many_notify+0x8e5/0x1570
[ 280.569261][ C3] ? lock_acquire+0x32/0xc0
[ 280.569425][ C3] ? trace_contention_end+0xeb/0x150
[ 280.569568][ C3] ? __mutex_lock+0x170/0xac0
[ 280.569734][ C3] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 280.569911][ C3] ? __mutex_lock+0x170/0xac0
[ 280.570081][ C3] ? find_held_lock+0x2c/0x110
[ 280.570236][ C3] ? mutex_is_locked+0x17/0x50
[ 280.570383][ C3] ? mutex_is_locked+0x17/0x50
[ 280.570551][ C3] ? rtnl_is_locked+0x15/0x20
[ 280.570697][ C3] ? unregister_netdevice_queue+0x70/0x410
[ 280.570874][ C3] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 280.571054][ C3] default_device_exit_batch+0x234/0x2d0
[ 280.571197][ C3] ? __pfx_default_device_exit_batch+0x10/0x10
[ 280.571376][ C3] ? ops_exit_list+0xb4/0x170
[ 280.571522][ C3] cleanup_net+0x4ef/0xb10
[ 280.571662][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 280.571801][ C3] ? __pfx_cleanup_net+0x10/0x10
[ 280.571935][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 280.572068][ C3] ? process_one_work+0xdf1/0x1670
[ 280.572210][ C3] ? lock_acquire+0x32/0xc0
[ 280.572346][ C3] ? process_one_work+0xdf1/0x1670
[ 280.572481][ C3] process_one_work+0xe3b/0x1670
[ 280.572617][ C3] ? __pfx___lock_release+0x10/0x10
[ 280.572756][ C3] ? __pfx_process_one_work+0x10/0x10
[ 280.572899][ C3] ? assign_work+0x16c/0x240
[ 280.573042][ C3] worker_thread+0x587/0xce0
[ 280.573182][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 280.573359][ C3] ? __pfx_worker_thread+0x10/0x10
[ 280.573497][ C3] ? __pfx_worker_thread+0x10/0x10
[ 280.573637][ C3] kthread+0x28a/0x350
[ 280.573740][ C3] ? __pfx_kthread+0x10/0x10
[ 280.573879][ C3] ret_from_fork+0x31/0x70
[ 280.574021][ C3] ? __pfx_kthread+0x10/0x10
[ 280.574161][ C3] ret_from_fork_asm+0x1a/0x30
[ 280.574305][ C3]