[ 3.784216] ------------[ cut here ]------------
[ 3.784277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: ethtool-fec.sh/596
[ 3.784349] Modules linked in: netdevsim [last unloaded: netdevsim]
[ 3.784388] CPU: 1 UID: 0 PID: 596 Comm: ethtool-fec.sh Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 3.784446] Tainted: [W]=WARN
[ 3.784470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3.784508] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 3.784540] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
[ 3.784642] RSP: 0018:ff735ed3403a79d0 EFLAGS: 00010286
[ 3.784672] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 3.784715] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff19a45381891400
[ 3.784764] RBP: 0000000000000000 R08: ff19a45383315490 R09: ff19a45382060030
[ 3.784805] R10: ff19a4538198a118 R11: fefefefefefefeff R12: 0000000000000000
[ 3.784846] R13: 0000000000000010 R14: ff19a4538198a000 R15: ff19a45381891400
[ 3.784890] FS: 00007fee51b8eb80(0000) GS:ff19a4541f2da000(0000) knlGS:0000000000000000
[ 3.784933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3.784968] CR2: 0000561c320c6f78 CR3: 0000000007cce004 CR4: 0000000000771ef0
[ 3.785012] PKRU: 55555554
[ 3.785026] Call Trace:
[ 3.785044]
[ 3.785059] rtmsg_ifinfo+0x3c/0xa0
[ 3.785082] register_netdevice+0x8e1/0xa70
[ 3.785105] nsim_create+0x3a9/0x3e0 [netdevsim]
[ 3.785137] __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[ 3.785166] nsim_drv_probe+0x667/0x760 [netdevsim]
[ 3.785195] really_probe+0xc9/0x290
[ 3.785221] ? driver_probe_device+0xe0/0xe0
[ 3.785251] __driver_probe_device+0x8d/0x160
[ 3.785286] driver_probe_device+0x1f/0xe0
[ 3.785308] __device_attach_driver+0x71/0x100
[ 3.785340] bus_for_each_drv+0x9d/0x100
[ 3.785364] __device_attach+0xb0/0x1b0
[ 3.785387] device_initial_probe+0x4a/0x70
[ 3.785413] bus_probe_device+0x3c/0xb0
[ 3.785434] device_add+0x675/0x8a0
[ 3.785457] new_device_store+0x19b/0x2b0 [netdevsim]
[ 3.785489] kernfs_fop_write_iter+0x151/0x200
[ 3.785520] vfs_write+0x257/0x5c0
[ 3.785547] ksys_write+0x7b/0x110
[ 3.785567] do_syscall_64+0x104/0xfc0
[ 3.785595] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 3.785627] RIP: 0033:0x7fee51c0008e
[ 3.785652] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[ 3.785763] RSP: 002b:00007ffc00f54d70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 3.785807] RAX: ffffffffffffffda RBX: 00007fee51d82580 RCX: 00007fee51c0008e
[ 3.785851] RDX: 0000000000000004 RSI: 0000561c320c5f70 RDI: 0000000000000001
[ 3.785892] RBP: 00007ffc00f54d80 R08: 0000000000000000 R09: 0000000000000000
[ 3.785934] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[ 3.785979] R13: 0000000000000004 R14: 0000561c320c5f70 R15: 0000000000000000
[ 3.786014]
[ 3.786028] ---[ end trace 0000000000000000 ]---
[ 3.865083] ------------[ cut here ]------------
[ 3.865129] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ethtool-fec.sh/595
[ 3.865198] Modules linked in: netdevsim [last unloaded: netdevsim]
[ 3.865239] CPU: 0 UID: 0 PID: 595 Comm: ethtool-fec.sh Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 3.865304] Tainted: [W]=WARN
[ 3.865325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 3.865363] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 3.865395] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
[ 3.865502] RSP: 0018:ff735ed340253b88 EFLAGS: 00010286
[ 3.865534] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 3.865579] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff19a453818f5500
[ 3.865623] RBP: 0000000000000000 R08: ff19a45383315490 R09: ff19a45387c16030
[ 3.865666] R10: ff19a4538198a118 R11: fefefefefefefeff R12: 0000000000000000
[ 3.865706] R13: 0000000000000011 R14: ff19a4538198a000 R15: ff19a453818f5500
[ 3.865761] FS: 00007fee51b8eb80(0000) GS:ff19a4541f25a000(0000) knlGS:0000000000000000
[ 3.865805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3.865847] CR2: 0000561c31b72620 CR3: 0000000004b77002 CR4: 0000000000771ef0
[ 3.865888] PKRU: 55555554
[ 3.865905] Call Trace:
[ 3.865921]
[ 3.865938] unregister_netdevice_many_notify+0x595/0xa40
[ 3.865969] unregister_netdevice_queue+0x9e/0xd0
[ 3.865998] nsim_destroy+0x91/0x200 [netdevsim]
[ 3.866033] __nsim_dev_port_del+0x46/0x90 [netdevsim]
[ 3.866067] nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[ 3.866105] nsim_drv_remove+0x2f/0xb0 [netdevsim]
[ 3.866130] device_release_driver_internal+0x19a/0x200
[ 3.866161] bus_remove_device+0xed/0x1b0
[ 3.866184] ? device_remove_attrs+0xb3/0x100
[ 3.866215] device_del+0x158/0x450
[ 3.866234] device_unregister+0x12/0x30
[ 3.866254] del_device_store+0x122/0x190 [netdevsim]
[ 3.866297] kernfs_fop_write_iter+0x151/0x200
[ 3.866330] vfs_write+0x257/0x5c0
[ 3.866356] ksys_write+0x7b/0x110
[ 3.866376] do_syscall_64+0x104/0xfc0
[ 3.866403] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 3.866437] RIP: 0033:0x7fee51c0008e
[ 3.866461] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[ 3.866556] RSP: 002b:00007ffc00f550d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 3.866603] RAX: ffffffffffffffda RBX: 00007fee51d82580 RCX: 00007fee51c0008e
[ 3.866638] RDX: 0000000000000004 RSI: 0000561c320cd780 RDI: 0000000000000001
[ 3.866682] RBP: 00007ffc00f550e0 R08: 0000000000000000 R09: 0000000000000000
[ 3.866717] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[ 3.866764] R13: 0000000000000004 R14: 0000561c320cd780 R15: 0000000000000000
[ 3.866808]
[ 3.866821] ---[ end trace 0000000000000000 ]---