[ 33.694996][ T293] ip (293) used greatest stack depth: 23136 bytes left [ 77.257320][ C2] BUG: spinlock bad magic on CPU#2, kworker/u16:0/11 [ 77.257535][ C2] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/u16:0/11, .owner_cpu: 2 [ 77.257807][ C2] CPU: 2 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.10.0-virtme #1 [ 77.258010][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 77.258303][ C2] Workqueue: netns cleanup_net [ 77.258440][ C2] Call Trace: [ 77.258543][ C2] [ 77.258613][ C2] dump_stack_lvl+0xb0/0xd0 [ 77.258748][ C2] do_raw_spin_unlock+0x1ac/0x220 [ 77.258891][ C2] _raw_spin_unlock+0x23/0x40 [ 77.259025][ C2] net_tx_action+0x424/0x680 [ 77.259159][ C2] handle_softirqs+0x1f9/0x5c0 [ 77.259296][ C2] ? dev_deactivate_many+0x1e2/0x8d0 [ 77.259429][ C2] do_softirq+0x4d/0xa0 [ 77.259526][ C2] [ 77.259594][ C2] [ 77.259658][ C2] __local_bh_enable_ip+0xf6/0x120 [ 77.259785][ C2] dev_deactivate_many+0x1e7/0x8d0 [ 77.259914][ C2] __dev_close_many+0x12b/0x2d0 [ 77.260043][ C2] ? __pfx___dev_close_many+0x10/0x10 [ 77.260170][ C2] ? mark_held_locks+0x9e/0xe0 [ 77.260303][ C2] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 77.260464][ C2] __dev_change_flags+0x24f/0x6c0 [ 77.260591][ C2] ? __pfx___dev_change_flags+0x10/0x10 [ 77.260718][ C2] ? trace_contention_end+0xeb/0x150 [ 77.260847][ C2] dev_change_flags+0x80/0x160 [ 77.260976][ C2] cycle_netdev+0x94/0xf0 [ 77.261075][ C2] vrf_dellink+0xdb/0x150 [ 77.261171][ C2] ? __pfx_vrf_dellink+0x10/0x10 [ 77.261303][ C2] default_device_exit_batch+0x174/0x2d0 [ 77.261431][ C2] ? __pfx_default_device_exit_batch+0x10/0x10 [ 77.261589][ C2] ? ops_exit_list+0xb4/0x170 [ 77.261719][ C2] cleanup_net+0x4ef/0xb10 [ 77.261847][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 77.261976][ C2] ? __pfx_cleanup_net+0x10/0x10 [ 77.262101][ C2] ? trace_lock_acquire+0x14d/0x1f0 [ 77.262229][ C2] ? process_one_work+0xdf1/0x1670 [ 77.262360][ C2] ? lock_acquire+0x32/0xc0 [ 77.262486][ C2] ? process_one_work+0xdf1/0x1670 [ 77.262613][ C2] process_one_work+0xe3b/0x1670 [ 77.262741][ C2] ? __pfx___lock_release+0x10/0x10 [ 77.262869][ C2] ? __pfx_process_one_work+0x10/0x10 [ 77.262998][ C2] ? assign_work+0x16c/0x240 [ 77.263127][ C2] worker_thread+0x587/0xce0 [ 77.263257][ C2] ? __pfx_worker_thread+0x10/0x10 [ 77.263386][ C2] kthread+0x28a/0x350 [ 77.263484][ C2] ? __pfx_kthread+0x10/0x10 [ 77.263612][ C2] ret_from_fork+0x31/0x70 [ 77.263741][ C2] ? __pfx_kthread+0x10/0x10 [ 77.263868][ C2] ret_from_fork_asm+0x1a/0x30 [ 77.264002][ C2]