[ 9.504620][ T228] ------------[ cut here ]------------
[ 9.505091][ T228] WARNING: CPU: 1 PID: 228 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 9.505632][ T228] Modules linked in: netdevsim
[ 9.505861][ T228] CPU: 1 UID: 0 PID: 228 Comm: ethtool-fec.sh Not tainted 6.14.0-rc5-virtme #1
[ 9.506315][ T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 9.506596][ T228] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 9.506880][ T228] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 98 0c 00 00 be ff ff ff ff e8 d8 33 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03
[ 9.507654][ T228] RSP: 0018:ffffc90000a67520 EFLAGS: 00010246
[ 9.507944][ T228] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 9.508282][ T228] RDX: 0000000000000000 RSI: ffff8880023aac98 RDI: ffff88800a0aae38
[ 9.508611][ T228] RBP: ffffffffa4d23440 R08: 0000000000000000 R09: fffffbfff457d83c
[ 9.508945][ T228] R10: ffffffffa2bec1e7 R11: ffff88800a0aa300 R12: 0000000000000000
[ 9.509303][ T228] R13: ffff8880023aa128 R14: ffff8880023aa008 R15: ffff8880023aa000
[ 9.509664][ T228] FS: 00007f8455cce740(0000) GS:ffff88802f680000(0000) knlGS:0000000000000000
[ 9.510063][ T228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9.510350][ T228] CR2: 000055e022fa55a8 CR3: 00000000050d4004 CR4: 0000000000772ef0
[ 9.510679][ T228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9.511031][ T228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9.511363][ T228] PKRU: 55555554
[ 9.511535][ T228] Call Trace:
[ 9.511706][ T228]
[ 9.511824][ T228] ? __netdev_update_features+0x9c1/0xde0
[ 9.512067][ T228] ? __warn+0xd1/0x1c0
[ 9.512241][ T228] ? __netdev_update_features+0x9c1/0xde0
[ 9.512464][ T228] ? report_bug+0x28c/0x2d0
[ 9.512698][ T228] ? handle_bug+0x54/0xa0
[ 9.512869][ T228] ? exc_invalid_op+0x18/0x50
[ 9.513114][ T228] ? asm_exc_invalid_op+0x1a/0x20
[ 9.513354][ T228] ? __netdev_update_features+0x9c1/0xde0
[ 9.513588][ T228] ? __pfx___netdev_update_features+0x10/0x10
[ 9.513867][ T228] ? _raw_spin_unlock_irq+0x28/0x50
[ 9.514105][ T228] ? netdev_register_kobject+0x264/0x2f0
[ 9.514334][ T228] register_netdevice+0xd46/0x1360
[ 9.514566][ T228] ? __pfx_register_netdevice+0x10/0x10
[ 9.514800][ T228] nsim_create+0x5f4/0x790 [netdevsim]
[ 9.515050][ T228] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 9.515334][ T228] ? mark_lock+0x38/0x3e0
[ 9.515507][ T228] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 9.515796][ T228] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 9.516088][ T228] nsim_dev_port_add_all+0x39/0xf0 [netdevsim]
[ 9.516378][ T228] nsim_drv_probe+0x61e/0x8b0 [netdevsim]
[ 9.516619][ T228] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 9.516900][ T228] ? kernfs_create_link+0x173/0x240
[ 9.517152][ T228] ? kernfs_put+0x1c/0x40
[ 9.517321][ T228] ? sysfs_do_create_link_sd+0x8c/0x100
[ 9.517550][ T228] really_probe+0x1df/0x920
[ 9.517778][ T228] __driver_probe_device+0x2e6/0x3e0
[ 9.518013][ T228] driver_probe_device+0x49/0x140
[ 9.518277][ T228] __device_attach_driver+0x192/0x2b0
[ 9.518500][ T228] ? __pfx___device_attach_driver+0x10/0x10
[ 9.518769][ T228] bus_for_each_drv+0x107/0x1a0
[ 9.519006][ T228] ? __pfx_bus_for_each_drv+0x10/0x10
[ 9.519223][ T228] ? bus_to_subsys+0xd5/0x110
[ 9.519448][ T228] ? __pfx___lock_release+0x10/0x10
[ 9.519670][ T228] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 9.519898][ T228] __device_attach+0x1a3/0x3f0
[ 9.520126][ T228] ? __pfx___device_attach+0x10/0x10
[ 9.520343][ T228] ? bus_to_subsys+0xd5/0x110
[ 9.520563][ T228] ? do_raw_spin_unlock+0x58/0x220
[ 9.520793][ T228] bus_probe_device+0x133/0x180
[ 9.521038][ T228] device_add+0x99d/0x1110
[ 9.521263][ T228] ? __pfx_device_add+0x10/0x10
[ 9.521485][ T228] ? __init_waitqueue_head+0xcf/0x150
[ 9.521719][ T228] new_device_store+0x393/0x690 [netdevsim]
[ 9.522017][ T228] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 9.522305][ T228] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.522524][ T228] ? sysfs_file_ops+0x11e/0x170
[ 9.522753][ T228] ? __pfx_sysfs_kf_write+0x10/0x10
[ 9.522969][ T228] kernfs_fop_write_iter+0x2ba/0x460
[ 9.523207][ T228] vfs_write+0xa87/0x11e0
[ 9.523386][ T228] ? __pfx_vfs_write+0x10/0x10
[ 9.523613][ T228] ? __lock_release+0x103/0x460
[ 9.523829][ T228] ? do_user_addr_fault+0x972/0xe30
[ 9.524069][ T228] ? __pfx___up_read+0x10/0x10
[ 9.524302][ T228] ksys_write+0xf8/0x1d0
[ 9.524472][ T228] ? __pfx_ksys_write+0x10/0x10
[ 9.524698][ T228] ? do_user_addr_fault+0x97c/0xe30
[ 9.524929][ T228] do_syscall_64+0xc1/0x1d0
[ 9.525165][ T228] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 9.525440][ T228] RIP: 0033:0x7f8455e0fb77
[ 9.525673][ T228] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[ 9.526455][ T228] RSP: 002b:00007ffe5d3db808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 9.526798][ T228] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8455e0fb77
[ 9.527141][ T228] RDX: 0000000000000004 RSI: 0000563a33d51f60 RDI: 0000000000000001
[ 9.527472][ T228] RBP: 0000563a33d51f60 R08: 0000000000000003 R09: 0000000000000000
[ 9.527806][ T228] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000004
[ 9.528145][ T228] R13: 00007f8455ecb760 R14: 0000000000000004 R15: 00007f8455ec69c0
[ 9.528499][ T228]
[ 9.528671][ T228] irq event stamp: 22157
[ 9.528842][ T228] hardirqs last enabled at (22167): [] __up_console_sem+0x6b/0x80
[ 9.529236][ T228] hardirqs last disabled at (22178): [] __up_console_sem+0x50/0x80
[ 9.529618][ T228] softirqs last enabled at (21852): [] handle_softirqs+0x32e/0x5c0
[ 9.530016][ T228] softirqs last disabled at (21843): [] __irq_exit_rcu+0xc4/0x100
[ 9.530398][ T228] ---[ end trace 0000000000000000 ]---
[ 9.662786][ T236] netdevsim netdevsim906 eni906np1: renamed from eth0