[ 11.672856][ T220] ------------[ cut here ]------------
[ 11.673514][ T220] WARNING: CPU: 2 PID: 220 at ./include/net/netdev_lock.h:52 __netdev_update_features+0x9c1/0xde0
[ 11.674313][ T220] Modules linked in: netdevsim
[ 11.674701][ T220] CPU: 2 UID: 0 PID: 220 Comm: python3 Not tainted 6.14.0-rc5-virtme #1
[ 11.675260][ T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 11.675712][ T220] RIP: 0010:__netdev_update_features+0x9c1/0xde0
[ 11.676200][ T220] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 90 0c 00 00 be ff ff ff ff e8 08 e9 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
[ 11.677440][ T220] RSP: 0018:ffffc900009a7548 EFLAGS: 00010246
[ 11.677919][ T220] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 11.678501][ T220] RDX: 0000000000000000 RSI: ffff888005c4ac90 RDI: ffff8880054c2e38
[ 11.679070][ T220] RBP: ffffffffb6b28600 R08: 0000000000000000 R09: fffffbfff693d944
[ 11.679656][ T220] R10: ffffffffb49eca27 R11: ffff8880054c2300 R12: 0000000000000000
[ 11.680250][ T220] R13: ffff888005c4a128 R14: ffff888005c4a008 R15: ffff888005c4a000
[ 11.681058][ T220] FS: 00007f2b1a0501c0(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 11.681702][ T220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 11.682185][ T220] CR2: 00007f2b0c0f0cb0 CR3: 000000000593e006 CR4: 0000000000772ef0
[ 11.682722][ T220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 11.683283][ T220] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 11.683826][ T220] PKRU: 55555554
[ 11.684129][ T220] Call Trace:
[ 11.684416][ T220]
[ 11.684648][ T220] ? __netdev_update_features+0x9c1/0xde0
[ 11.685015][ T220] ? __warn+0xd1/0x1c0
[ 11.685323][ T220] ? __netdev_update_features+0x9c1/0xde0
[ 11.685712][ T220] ? report_bug+0x28c/0x2d0
[ 11.686086][ T220] ? handle_bug+0x54/0xa0
[ 11.686392][ T220] ? exc_invalid_op+0x18/0x50
[ 11.686792][ T220] ? asm_exc_invalid_op+0x1a/0x20
[ 11.687237][ T220] ? __netdev_update_features+0x9c1/0xde0
[ 11.687596][ T220] ? __netdev_update_features+0x9b8/0xde0
[ 11.687977][ T220] ? __pfx___netdev_update_features+0x10/0x10
[ 11.688460][ T220] ? _raw_spin_unlock_irq+0x28/0x50
[ 11.688827][ T220] ? netdev_register_kobject+0x264/0x2f0
[ 11.689227][ T220] register_netdevice+0xd46/0x1360
[ 11.689616][ T220] ? __pfx_register_netdevice+0x10/0x10
[ 11.690000][ T220] nsim_create+0x5a7/0x720 [netdevsim]
[ 11.690417][ T220] __nsim_dev_port_add+0x22f/0x6e0 [netdevsim]
[ 11.690893][ T220] ? __pfx___nsim_dev_port_add+0x10/0x10 [netdevsim]
[ 11.691413][ T220] ? nsim_dev_hwstats_init+0x392/0x4a0 [netdevsim]
[ 11.691910][ T220] nsim_drv_probe+0x63a/0x980 [netdevsim]
[ 11.692321][ T220] ? __pfx_nsim_drv_probe+0x10/0x10 [netdevsim]
[ 11.692780][ T220] ? kernfs_create_link+0x173/0x240
[ 11.693174][ T220] ? kernfs_put+0x1c/0x40
[ 11.693458][ T220] ? sysfs_do_create_link_sd+0x8c/0x100
[ 11.693835][ T220] really_probe+0x1df/0x920
[ 11.694229][ T220] __driver_probe_device+0x2e6/0x3e0
[ 11.694607][ T220] driver_probe_device+0x49/0x140
[ 11.694974][ T220] __device_attach_driver+0x192/0x2b0
[ 11.695370][ T220] ? __pfx___device_attach_driver+0x10/0x10
[ 11.695805][ T220] bus_for_each_drv+0x107/0x1a0
[ 11.696201][ T220] ? __pfx_bus_for_each_drv+0x10/0x10
[ 11.696549][ T220] ? bus_to_subsys+0xd5/0x110
[ 11.696910][ T220] ? __pfx___lock_release+0x10/0x10
[ 11.697311][ T220] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 11.697686][ T220] __device_attach+0x1a3/0x3f0
[ 11.698039][ T220] ? __pfx___device_attach+0x10/0x10
[ 11.698427][ T220] ? bus_to_subsys+0xd5/0x110
[ 11.698787][ T220] ? do_raw_spin_unlock+0x58/0x220
[ 11.699191][ T220] bus_probe_device+0x133/0x180
[ 11.699561][ T220] device_add+0x99d/0x1110
[ 11.699941][ T220] ? __pfx_device_add+0x10/0x10
[ 11.700328][ T220] ? __init_waitqueue_head+0xcf/0x150
[ 11.700717][ T220] new_device_store+0x393/0x690 [netdevsim]
[ 11.701204][ T220] ? __pfx_new_device_store+0x10/0x10 [netdevsim]
[ 11.701680][ T220] ? __pfx_sysfs_kf_write+0x10/0x10
[ 11.702089][ T220] ? sysfs_file_ops+0x11e/0x170
[ 11.702530][ T220] ? __pfx_sysfs_kf_write+0x10/0x10
[ 11.702895][ T220] kernfs_fop_write_iter+0x2ba/0x460
[ 11.703304][ T220] vfs_write+0xa87/0x11e0
[ 11.703607][ T220] ? __pfx_vfs_write+0x10/0x10
[ 11.704013][ T220] ? __lock_release+0x103/0x460
[ 11.704397][ T220] ? do_user_addr_fault+0x972/0xe30
[ 11.704779][ T220] ? __pfx___up_read+0x10/0x10
[ 11.705176][ T220] ksys_write+0xf8/0x1d0
[ 11.705469][ T220] ? __pfx_ksys_write+0x10/0x10
[ 11.705831][ T220] ? do_user_addr_fault+0x97c/0xe30
[ 11.706243][ T220] do_syscall_64+0xc1/0x1d0
[ 11.706608][ T220] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 11.707059][ T220] RIP: 0033:0x7f2b1a26ab77
[ 11.707476][ T220] 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
[ 11.708772][ T220] RSP: 002b:00007ffc5f23a7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 11.709331][ T220] RAX: ffffffffffffffda RBX: 00007f2b1a050140 RCX: 00007f2b1a26ab77
[ 11.709875][ T220] RDX: 0000000000000009 RSI: 0000558ce623d5b0 RDI: 0000000000000005
[ 11.710430][ T220] RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
[ 11.710947][ T220] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f2b0bf03580
[ 11.711486][ T220] R13: 0000558ce623d5b0 R14: 0000000000000005 R15: 0000558ce5eaaa00
[ 11.712040][ T220]
[ 11.712331][ T220] irq event stamp: 388025
[ 11.712603][ T220] hardirqs last enabled at (388035): [] __up_console_sem+0x6b/0x80
[ 11.713230][ T220] hardirqs last disabled at (388046): [] __up_console_sem+0x50/0x80
[ 11.713808][ T220] softirqs last enabled at (387072): [] handle_softirqs+0x32e/0x5c0
[ 11.714409][ T220] softirqs last disabled at (387059): [] __irq_exit_rcu+0xc4/0x100
[ 11.715001][ T220] ---[ end trace 0000000000000000 ]---
[ 11.840201][ T223] netdevsim netdevsim13284 eni13284np1: renamed from eth0
[ 12.843392][ T236] ip (236) used greatest stack depth: 24256 bytes left