[    6.224814] ------------[ cut here ]------------
[    6.224862] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2223
[    6.224921] Modules linked in: netconsole netdevsim
[    6.224955] CPU: 3 UID: 0 PID: 2223 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.225013] Tainted: [W]=WARN
[    6.225035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.225066] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.225096] 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
[    6.225186] RSP: 0018:ff835a92c188bcc8 EFLAGS: 00010286
[    6.225213] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.225251] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7b00
[    6.225289] RBP: 0000000000000000 R08: ff29fcf783147f90 R09: ff29fcf7819b302c
[    6.225326] R10: ff29fcf7819b7118 R11: fefefefefefefeff R12: 0000000000000000
[    6.225365] R13: 0000000000000010 R14: ff29fcf7819b7000 R15: ff29fcf7830f7b00
[    6.225410] FS:  00007f49b4f70840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    6.225452] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.225487] CR2: 00007f49b5177430 CR3: 0000000008f1c003 CR4: 0000000000771ef0
[    6.225527] PKRU: 55555554
[    6.225543] Call Trace:
[    6.225560]  <TASK>
[    6.225575]  rtmsg_ifinfo+0x3c/0xa0
[    6.225598]  register_netdevice+0x8e1/0xa70
[    6.225622]  register_netdev+0x1e/0x30
[    6.225642]  loopback_net_init+0x57/0xb0
[    6.225666]  ? vsock_sysctl_init_net+0xb6/0x140
[    6.225696]  ops_init+0x68/0x140
[    6.225720]  setup_net+0x85/0x150
[    6.225741]  copy_net_ns+0xf5/0x200
[    6.225763]  create_new_namespaces+0x117/0x2f0
[    6.225793]  unshare_nsproxy_namespaces+0x85/0xb0
[    6.225820]  ksys_unshare+0x346/0x5e0
[    6.225843]  __x64_sys_unshare+0x12/0x20
[    6.225865]  do_syscall_64+0x104/0xfc0
[    6.225887]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.225919] RIP: 0033:0x7f49b5232bcb
[    6.225944] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
[    6.226029] RSP: 002b:00007fff5cb37a68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.226066] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f49b5232bcb
[    6.226104] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    6.226144] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    6.226184] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5cb39c90
[    6.226225] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5cb3b837
[    6.226263]  </TASK>
[    6.226278] ---[ end trace 0000000000000000 ]---
[    6.229171] ------------[ cut here ]------------
[    6.229235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/2224
[    6.229328] Modules linked in: netconsole netdevsim
[    6.229396] CPU: 2 UID: 0 PID: 2224 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.229486] Tainted: [W]=WARN
[    6.229540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.229611] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.229676] 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
[    6.229804] RSP: 0018:ff835a92c189b720 EFLAGS: 00010286
[    6.229866] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    6.229956] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c36300
[    6.230030] RBP: 0000000000000000 R08: ff29fcf783147f90 R09: ff29fcf781c9a02c
[    6.230103] R10: ff29fcf7819b7118 R11: fefefefefefefeff R12: 0000000000000000
[    6.230181] R13: 0000000000000010 R14: ff29fcf7819b7000 R15: ff29fcf781c36300
[    6.230258] FS:  00007feb27328840(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000
[    6.230335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.230402] CR2: 00000000309b5988 CR3: 0000000008176004 CR4: 0000000000771ef0
[    6.230480] PKRU: 55555554
[    6.230532] Call Trace:
[    6.230579]  <TASK>
[    6.230627]  rtmsg_ifinfo+0x3c/0xa0
[    6.230683]  __dev_notify_flags+0xb1/0xf0
[    6.230739]  ? rtnl_getlink+0x456/0x5e0
[    6.230794]  netif_change_flags+0x54/0x70
[    6.230854]  do_setlink.isra.0+0x390/0x1570
[    6.230920]  ? __nla_validate_parse+0x76/0xf20
[    6.231002]  rtnl_newlink+0x9c7/0xe10
[    6.231061]  ? kmalloc_reserve+0xa9/0x170
[    6.231123]  ? do_setlink.isra.0+0x1570/0x1570
[    6.231186]  rtnetlink_rcv_msg+0x39f/0x460
[    6.231249]  ? netlink_unicast+0x306/0x3a0
[    6.231312]  ? rtnl_calcit.isra.0+0x160/0x160
[    6.231376]  netlink_rcv_skb+0xca/0x140
[    6.231434]  netlink_unicast+0x26b/0x3a0
[    6.231490]  netlink_sendmsg+0x1e2/0x430
[    6.231546]  ____sys_sendmsg+0x14c/0x2b0
[    6.231605]  ___sys_sendmsg+0xe1/0x120
[    6.231667]  __sys_sendmsg+0xad/0x100
[    6.231724]  do_syscall_64+0x104/0xfc0
[    6.231782]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.231845] RIP: 0033:0x7feb2756208e
[    6.231910] 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 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[    6.232049] RSP: 002b:00007ffeee2ac6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    6.232130] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007feb2756208e
[    6.232208] RDX: 0000000000000000 RSI: 00007ffeee2ac790 RDI: 0000000000000005
[    6.232287] RBP: 00007ffeee2ac6f0 R08: 0000000000000000 R09: 0000000000000000
[    6.232366] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db72
[    6.232439] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeee2ace60
[    6.232518]  </TASK>
[    6.232564] ---[ end trace 0000000000000000 ]---
[    6.240473] ------------[ cut here ]------------
[    6.240513] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2197
[    6.240568] Modules linked in: netconsole netdevsim
[    6.240602] CPU: 0 UID: 0 PID: 2197 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.240675] Tainted: [W]=WARN
[    6.240698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.240734] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.240766] 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
[    6.240864] RSP: 0018:ff835a92c17db9d0 EFLAGS: 00010286
[    6.240899] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.240951] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c38500
[    6.240992] RBP: 0000000000000000 R08: ff29fcf783166890 R09: ff29fcf7819b1030
[    6.241037] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: 0000000000000000
[    6.241082] R13: 0000000000000010 R14: ff29fcf78742c000 R15: ff29fcf781c38500
[    6.241125] FS:  00007fcd78408b80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    6.241169] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.241204] CR2: 000055a0ccb5dcb8 CR3: 00000000084a5003 CR4: 0000000000771ef0
[    6.241250] PKRU: 55555554
[    6.241266] Call Trace:
[    6.241280]  <TASK>
[    6.241298]  rtmsg_ifinfo+0x3c/0xa0
[    6.241320]  register_netdevice+0x8e1/0xa70
[    6.241341]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    6.241372]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    6.241402]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    6.241432]  really_probe+0xc9/0x290
[    6.241456]  ? driver_probe_device+0xe0/0xe0
[    6.241484]  __driver_probe_device+0x8d/0x160
[    6.241512]  driver_probe_device+0x1f/0xe0
[    6.241532]  __device_attach_driver+0x71/0x100
[    6.241561]  bus_for_each_drv+0x9d/0x100
[    6.241584]  __device_attach+0xb0/0x1b0
[    6.241607]  device_initial_probe+0x4a/0x70
[    6.241628]  bus_probe_device+0x3c/0xb0
[    6.241651]  device_add+0x675/0x8a0
[    6.241674]  new_device_store+0x19b/0x2b0 [netdevsim]
[    6.241703]  kernfs_fop_write_iter+0x151/0x200
[    6.241736]  vfs_write+0x257/0x5c0
[    6.241759]  ksys_write+0x7b/0x110
[    6.241783]  do_syscall_64+0x104/0xfc0
[    6.241805]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.241834] RIP: 0033:0x7fcd7847a08e
[    6.241858] 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 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[    6.241970] RSP: 002b:00007ffe9b3f14a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    6.242013] RAX: ffffffffffffffda RBX: 00007fcd785fc580 RCX: 00007fcd7847a08e
[    6.242055] RDX: 0000000000000004 RSI: 000055a0ccbadcb0 RDI: 0000000000000001
[    6.242094] RBP: 00007ffe9b3f14b0 R08: 0000000000000000 R09: 0000000000000000
[    6.242138] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    6.242179] R13: 0000000000000004 R14: 000055a0ccbadcb0 R15: 0000000000000000
[    6.242219]  </TASK>
[    6.242231] ---[ end trace 0000000000000000 ]---
[    6.242426] ------------[ cut here ]------------
[    6.242455] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2197
[    6.242511] Modules linked in: netconsole netdevsim
[    6.242544] CPU: 0 UID: 0 PID: 2197 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.242599] Tainted: [W]=WARN
[    6.242620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.242650] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.242675] 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
[    6.242768] RSP: 0018:ff835a92c17db9d0 EFLAGS: 00010286
[    6.242792] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.242835] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c38b00
[    6.242873] RBP: 0000000000000000 R08: ff29fcf78321a290 R09: ff29fcf785197030
[    6.242912] R10: ff29fcf788044118 R11: fefefefefefefeff R12: 0000000000000000
[    6.242951] R13: 0000000000000010 R14: ff29fcf788044000 R15: ff29fcf781c38b00
[    6.242992] FS:  00007fcd78408b80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    6.243035] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.243069] CR2: 000055a0ccb5dcb8 CR3: 00000000084a5003 CR4: 0000000000771ef0
[    6.243107] PKRU: 55555554
[    6.243122] Call Trace:
[    6.243138]  <TASK>
[    6.243152]  rtmsg_ifinfo+0x3c/0xa0
[    6.243174]  register_netdevice+0x8e1/0xa70
[    6.243195]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    6.243225]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    6.243250]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    6.243284]  really_probe+0xc9/0x290
[    6.243307]  ? driver_probe_device+0xe0/0xe0
[    6.243336]  __driver_probe_device+0x8d/0x160
[    6.243366]  driver_probe_device+0x1f/0xe0
[    6.243386]  __device_attach_driver+0x71/0x100
[    6.243419]  bus_for_each_drv+0x9d/0x100
[    6.243440]  __device_attach+0xb0/0x1b0
[    6.243460]  device_initial_probe+0x4a/0x70
[    6.243482]  bus_probe_device+0x3c/0xb0
[    6.243505]  device_add+0x675/0x8a0
[    6.243524]  new_device_store+0x19b/0x2b0 [netdevsim]
[    6.243553]  kernfs_fop_write_iter+0x151/0x200
[    6.243583]  vfs_write+0x257/0x5c0
[    6.243608]  ksys_write+0x7b/0x110
[    6.243632]  do_syscall_64+0x104/0xfc0
[    6.243656]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.243686] RIP: 0033:0x7fcd7847a08e
[    6.243705] 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 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[    6.243799] RSP: 002b:00007ffe9b3f14d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    6.243840] RAX: ffffffffffffffda RBX: 00007fcd785fc580 RCX: 00007fcd7847a08e
[    6.243877] RDX: 0000000000000004 RSI: 000055a0ccbadcb0 RDI: 0000000000000001
[    6.243922] RBP: 00007ffe9b3f14e0 R08: 0000000000000000 R09: 0000000000000000
[    6.243965] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    6.244005] R13: 0000000000000004 R14: 000055a0ccbadcb0 R15: 0000000000000000
[    6.244049]  </TASK>
[    6.244064] ---[ end trace 0000000000000000 ]---
[    6.271937] ------------[ cut here ]------------
[    6.272011] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/2238
[    6.272102] Modules linked in: netconsole netdevsim
[    6.272170] CPU: 2 UID: 0 PID: 2238 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.272259] Tainted: [W]=WARN
[    6.272318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.272389] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.272455] 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
[    6.272582] RSP: 0018:ff835a92c18d36d8 EFLAGS: 00010286
[    6.272647] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.272724] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7b00
[    6.272802] RBP: 0000000000000000 R08: ff29fcf783166890 R09: ff29fcf7829d6830
[    6.272876] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: ff835a92c18d378c
[    6.272964] R13: 0000000000000011 R14: ff29fcf78742c000 R15: ff29fcf7830f7b00
[    6.273042] FS:  00007efe05a98840(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000
[    6.273123] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.273195] CR2: 0000000024c84988 CR3: 00000000069af006 CR4: 0000000000771ef0
[    6.273273] PKRU: 55555554
[    6.273323] Call Trace:
[    6.273373]  <TASK>
[    6.273422]  rtmsg_ifinfo_newnet+0x33/0x70
[    6.273483]  __dev_change_net_namespace+0x407/0xc50
[    6.273550]  ? rtnl_getlink+0x459/0x5e0
[    6.273611]  do_setlink.isra.0+0xd7/0x1570
[    6.273675]  ? __nla_validate_parse+0x76/0xf20
[    6.273739]  rtnl_newlink+0x9c7/0xe10
[    6.273799]  ? kmalloc_reserve+0xa9/0x170
[    6.273861]  ? do_setlink.isra.0+0x1570/0x1570
[    6.273938]  rtnetlink_rcv_msg+0x39f/0x460
[    6.274000]  ? netlink_unicast+0x306/0x3a0
[    6.274065]  ? rtnl_calcit.isra.0+0x160/0x160
[    6.274132]  netlink_rcv_skb+0xca/0x140
[    6.274193]  netlink_unicast+0x26b/0x3a0
[    6.274252]  netlink_sendmsg+0x1e2/0x430
[    6.274308]  ____sys_sendmsg+0x14c/0x2b0
[    6.274369]  ___sys_sendmsg+0xe1/0x120
[    6.274430]  __sys_sendmsg+0xad/0x100
[    6.274496]  do_syscall_64+0x104/0xfc0
[    6.274556]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.274620] RIP: 0033:0x7efe05cd208e
[    6.274680] 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 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[    6.274808] RSP: 002b:00007fff5a07c6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    6.274886] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efe05cd208e
[    6.274979] RDX: 0000000000000000 RSI: 00007fff5a07c770 RDI: 0000000000000005
[    6.275054] RBP: 00007fff5a07c6d0 R08: 0000000000000000 R09: 0000000000000000
[    6.275131] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db72
[    6.275208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5a07ce30
[    6.275286]  </TASK>
[    6.275334] ---[ end trace 0000000000000000 ]---
[    6.275445] ------------[ cut here ]------------
[    6.275508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/2238
[    6.275590] Modules linked in: netconsole netdevsim
[    6.275656] CPU: 2 UID: 0 PID: 2238 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.275748] Tainted: [W]=WARN
[    6.275803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.275873] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.275950] 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
[    6.276073] RSP: 0018:ff835a92c18d36c8 EFLAGS: 00010286
[    6.276138] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.276214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c38a00
[    6.276290] RBP: 0000000000000000 R08: ff29fcf783166890 R09: ff29fcf781c9a030
[    6.276370] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: 0000000000000000
[    6.276448] R13: 0000000000000010 R14: ff29fcf78742c000 R15: ff29fcf781c38a00
[    6.276531] FS:  00007efe05a98840(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000
[    6.276610] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.276680] CR2: 0000000024c84988 CR3: 00000000069af006 CR4: 0000000000771ef0
[    6.276758] PKRU: 55555554
[    6.276806] Call Trace:
[    6.276856]  <TASK>
[    6.276912]  rtmsg_ifinfo+0x3c/0xa0
[    6.276980]  __dev_change_net_namespace+0x22e/0xc50
[    6.277047]  ? rtnl_getlink+0x459/0x5e0
[    6.277106]  do_setlink.isra.0+0xd7/0x1570
[    6.277167]  ? __nla_validate_parse+0x76/0xf20
[    6.277234]  rtnl_newlink+0x9c7/0xe10
[    6.277297]  ? kmalloc_reserve+0xa9/0x170
[    6.277359]  ? do_setlink.isra.0+0x1570/0x1570
[    6.277431]  rtnetlink_rcv_msg+0x39f/0x460
[    6.277491]  ? netlink_unicast+0x306/0x3a0
[    6.277555]  ? rtnl_calcit.isra.0+0x160/0x160
[    6.277620]  netlink_rcv_skb+0xca/0x140
[    6.277681]  netlink_unicast+0x26b/0x3a0
[    6.277738]  netlink_sendmsg+0x1e2/0x430
[    6.277795]  ____sys_sendmsg+0x14c/0x2b0
[    6.277857]  ___sys_sendmsg+0xe1/0x120
[    6.277923]  __sys_sendmsg+0xad/0x100
[    6.277989]  do_syscall_64+0x104/0xfc0
[    6.278049]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.278115] RIP: 0033:0x7efe05cd208e
[    6.278173] 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 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[    6.278296] RSP: 002b:00007fff5a07c6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    6.278373] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efe05cd208e
[    6.278453] RDX: 0000000000000000 RSI: 00007fff5a07c770 RDI: 0000000000000005
[    6.278530] RBP: 00007fff5a07c6d0 R08: 0000000000000000 R09: 0000000000000000
[    6.278604] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db72
[    6.278682] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5a07ce30
[    6.278759]  </TASK>
[    6.278809] ---[ end trace 0000000000000000 ]---
[    6.289797] ------------[ cut here ]------------
[    6.289862] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/2240
[    6.289961] Modules linked in: netconsole netdevsim
[    6.290023] CPU: 2 UID: 0 PID: 2240 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.290119] Tainted: [W]=WARN
[    6.290174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.290244] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.290312] 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
[    6.290438] RSP: 0018:ff835a92c18e3720 EFLAGS: 00010286
[    6.290505] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    6.290585] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7700
[    6.290661] RBP: 0000000000000000 R08: ff29fcf783166890 R09: ff29fcf781c9a030
[    6.290735] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: 0000000000000000
[    6.290813] R13: 0000000000000010 R14: ff29fcf78742c000 R15: ff29fcf7830f7700
[    6.290893] FS:  00007f09e375c840(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000
[    6.290980] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.291053] CR2: 0000000039da9988 CR3: 00000000075f9005 CR4: 0000000000771ef0
[    6.291134] PKRU: 55555554
[    6.291184] Call Trace:
[    6.291235]  <TASK>
[    6.291285]  rtmsg_ifinfo+0x3c/0xa0
[    6.291345]  __dev_notify_flags+0xb1/0xf0
[    6.291407]  ? rtnl_getlink+0x456/0x5e0
[    6.291467]  netif_change_flags+0x54/0x70
[    6.291530]  do_setlink.isra.0+0x390/0x1570
[    6.291592]  ? __nla_validate_parse+0x76/0xf20
[    6.291660]  rtnl_newlink+0x9c7/0xe10
[    6.291720]  ? kmalloc_reserve+0xa9/0x170
[    6.291782]  ? do_setlink.isra.0+0x1570/0x1570
[    6.291856]  rtnetlink_rcv_msg+0x39f/0x460
[    6.291922]  ? netlink_unicast+0x306/0x3a0
[    6.291991]  ? rtnl_calcit.isra.0+0x160/0x160
[    6.292056]  netlink_rcv_skb+0xca/0x140
[    6.292115]  netlink_unicast+0x26b/0x3a0
[    6.292174]  netlink_sendmsg+0x1e2/0x430
[    6.292233]  ____sys_sendmsg+0x14c/0x2b0
[    6.292293]  ___sys_sendmsg+0xe1/0x120
[    6.292355]  __sys_sendmsg+0xad/0x100
[    6.292414]  do_syscall_64+0x104/0xfc0
[    6.292473]  ? __sysvec_call_function_single+0x20/0xd0
[    6.292541]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.292606] RIP: 0033:0x7f09e399608e
[    6.292666] 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 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[    6.292791] RSP: 002b:00007ffddc951e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    6.292870] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f09e399608e
[    6.292953] RDX: 0000000000000000 RSI: 00007ffddc951f20 RDI: 0000000000000005
[    6.293030] RBP: 00007ffddc951e80 R08: 0000000000000000 R09: 0000000000000000
[    6.293109] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db72
[    6.293184] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddc9525e0
[    6.293264]  </TASK>
[    6.293315] ---[ end trace 0000000000000000 ]---
[    6.298961] ------------[ cut here ]------------
[    6.299026] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/2242
[    6.299112] Modules linked in: netconsole netdevsim
[    6.299180] CPU: 2 UID: 0 PID: 2242 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.299272] Tainted: [W]=WARN
[    6.299329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.299400] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.299466] 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
[    6.299588] RSP: 0018:ff835a92c18f3720 EFLAGS: 00010286
[    6.299657] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    6.299734] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783040000
[    6.299811] RBP: 0000000000000000 R08: ff29fcf78321a290 R09: ff29fcf781c9a030
[    6.299886] R10: ff29fcf788044118 R11: fefefefefefefeff R12: 0000000000000000
[    6.299966] R13: 0000000000000010 R14: ff29fcf788044000 R15: ff29fcf783040000
[    6.300047] FS:  00007fcc83f4c840(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000
[    6.300129] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.300202] CR2: 000000000ecc3988 CR3: 00000000081c1002 CR4: 0000000000771ef0
[    6.300282] PKRU: 55555554
[    6.300332] Call Trace:
[    6.300381]  <TASK>
[    6.300431]  rtmsg_ifinfo+0x3c/0xa0
[    6.300492]  __dev_notify_flags+0xb1/0xf0
[    6.300555]  ? rtnl_getlink+0x456/0x5e0
[    6.300615]  netif_change_flags+0x54/0x70
[    6.300677]  do_setlink.isra.0+0x390/0x1570
[    6.300738]  ? __nla_validate_parse+0x76/0xf20
[    6.300805]  rtnl_newlink+0x9c7/0xe10
[    6.300868]  ? kmalloc_reserve+0xa9/0x170
[    6.300936]  ? do_setlink.isra.0+0x1570/0x1570
[    6.301011]  rtnetlink_rcv_msg+0x39f/0x460
[    6.301074]  ? netlink_unicast+0x306/0x3a0
[    6.301136]  ? rtnl_calcit.isra.0+0x160/0x160
[    6.301204]  netlink_rcv_skb+0xca/0x140
[    6.301264]  netlink_unicast+0x26b/0x3a0
[    6.301325]  netlink_sendmsg+0x1e2/0x430
[    6.301384]  ____sys_sendmsg+0x14c/0x2b0
[    6.301445]  ___sys_sendmsg+0xe1/0x120
[    6.301509]  __sys_sendmsg+0xad/0x100
[    6.301570]  do_syscall_64+0x104/0xfc0
[    6.301632]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.301698] RIP: 0033:0x7fcc8418608e
[    6.301757] 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 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[    6.301883] RSP: 002b:00007ffdf484ad20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    6.301978] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcc8418608e
[    6.302058] RDX: 0000000000000000 RSI: 00007ffdf484add0 RDI: 0000000000000005
[    6.302139] RBP: 00007ffdf484ad30 R08: 0000000000000000 R09: 0000000000000000
[    6.302218] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db72
[    6.302299] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf484b490
[    6.302377]  </TASK>
[    6.302426] ---[ end trace 0000000000000000 ]---
[    6.313288] ------------[ cut here ]------------
[    6.313337] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2197
[    6.313387] Modules linked in: netconsole netdevsim
[    6.313417] CPU: 0 UID: 0 PID: 2197 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.313472] Tainted: [W]=WARN
[    6.313493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.313528] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.313555] 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
[    6.313652] RSP: 0018:ff835a92c17dbb18 EFLAGS: 00010286
[    6.313682] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    6.313724] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c38b00
[    6.313764] RBP: 0000000000000000 R08: ff29fcf783166890 R09: ff29fcf785197030
[    6.313805] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: 0000000000000000
[    6.313843] R13: 0000000000000010 R14: ff29fcf78742c000 R15: ff29fcf781c38b00
[    6.313884] FS:  00007fcd78408b80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    6.313933] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.313967] CR2: 000055a0ccba1c68 CR3: 00000000084a5005 CR4: 0000000000771ef0
[    6.314011] PKRU: 55555554
[    6.314030] Call Trace:
[    6.314047]  <TASK>
[    6.314062]  rtmsg_ifinfo+0x3c/0xa0
[    6.314085]  netif_close_many+0xed/0x190
[    6.314107]  unregister_netdevice_many_notify+0x118/0xa40
[    6.314141]  ? __destroy_inode+0x1a/0xc0
[    6.314164]  unregister_netdevice_queue+0x9e/0xd0
[    6.314192]  nsim_destroy+0x91/0x200 [netdevsim]
[    6.314223]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    6.314252]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    6.314281]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    6.314310]  device_release_driver_internal+0x19a/0x200
[    6.314338]  bus_remove_device+0xed/0x1b0
[    6.314359]  ? device_remove_attrs+0xb3/0x100
[    6.314388]  device_del+0x158/0x450
[    6.314409]  device_unregister+0x12/0x30
[    6.314432]  del_device_store+0x122/0x190 [netdevsim]
[    6.314460]  kernfs_fop_write_iter+0x151/0x200
[    6.314492]  vfs_write+0x257/0x5c0
[    6.314515]  ksys_write+0x7b/0x110
[    6.314537]  do_syscall_64+0x104/0xfc0
[    6.314558]  ? __sysvec_call_function_single+0x20/0xd0
[    6.314588]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.314616] RIP: 0033:0x7fcd7847a08e
[    6.314638] 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 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[    6.314735] RSP: 002b:00007ffe9b3f1860 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    6.314777] RAX: ffffffffffffffda RBX: 00007fcd785fc580 RCX: 00007fcd7847a08e
[    6.314819] RDX: 0000000000000004 RSI: 000055a0ccbadcb0 RDI: 0000000000000001
[    6.314858] RBP: 00007ffe9b3f1870 R08: 0000000000000000 R09: 0000000000000000
[    6.314948] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    6.314987] R13: 0000000000000004 R14: 000055a0ccbadcb0 R15: 0000000000000000
[    6.315028]  </TASK>
[    6.315044] ---[ end trace 0000000000000000 ]---
[    6.315127] ------------[ cut here ]------------
[    6.315154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2197
[    6.315203] Modules linked in: netconsole netdevsim
[    6.315231] CPU: 0 UID: 0 PID: 2197 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.315292] Tainted: [W]=WARN
[    6.315315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.315348] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.315374] 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
[    6.315473] RSP: 0018:ff835a92c17dbb88 EFLAGS: 00010286
[    6.315499] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.315540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c38b00
[    6.315581] RBP: 0000000000000000 R08: ff29fcf783166890 R09: ff29fcf787437830
[    6.315625] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: 0000000000000000
[    6.315663] R13: 0000000000000011 R14: ff29fcf78742c000 R15: ff29fcf781c38b00
[    6.315703] FS:  00007fcd78408b80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    6.315743] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.315777] CR2: 000055a0ccba1c68 CR3: 00000000084a5005 CR4: 0000000000771ef0
[    6.315817] PKRU: 55555554
[    6.315831] Call Trace:
[    6.315845]  <TASK>
[    6.315857]  unregister_netdevice_many_notify+0x595/0xa40
[    6.315885]  unregister_netdevice_queue+0x9e/0xd0
[    6.315915]  nsim_destroy+0x91/0x200 [netdevsim]
[    6.315948]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    6.315978]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    6.316007]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    6.316035]  device_release_driver_internal+0x19a/0x200
[    6.316066]  bus_remove_device+0xed/0x1b0
[    6.316088]  ? device_remove_attrs+0xb3/0x100
[    6.316116]  device_del+0x158/0x450
[    6.316140]  device_unregister+0x12/0x30
[    6.316162]  del_device_store+0x122/0x190 [netdevsim]
[    6.316191]  kernfs_fop_write_iter+0x151/0x200
[    6.316221]  vfs_write+0x257/0x5c0
[    6.316242]  ksys_write+0x7b/0x110
[    6.316264]  do_syscall_64+0x104/0xfc0
[    6.316287]  ? __sysvec_call_function_single+0x20/0xd0
[    6.316316]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.316345] RIP: 0033:0x7fcd7847a08e
[    6.316364] 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 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[    6.316458] RSP: 002b:00007ffe9b3f1860 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    6.316496] RAX: ffffffffffffffda RBX: 00007fcd785fc580 RCX: 00007fcd7847a08e
[    6.316537] RDX: 0000000000000004 RSI: 000055a0ccbadcb0 RDI: 0000000000000001
[    6.316577] RBP: 00007ffe9b3f1870 R08: 0000000000000000 R09: 0000000000000000
[    6.316623] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    6.316661] R13: 0000000000000004 R14: 000055a0ccbadcb0 R15: 0000000000000000
[    6.316700]  </TASK>
[    6.316713] ---[ end trace 0000000000000000 ]---
[    6.347009] ------------[ cut here ]------------
[    6.347099] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2197
[    6.347151] Modules linked in: netconsole netdevsim
[    6.347185] CPU: 0 UID: 0 PID: 2197 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.347243] Tainted: [W]=WARN
[    6.347263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.347304] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.347330] 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
[    6.347424] RSP: 0018:ff835a92c17dbb18 EFLAGS: 00010286
[    6.347456] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    6.347495] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c38b00
[    6.347536] RBP: 0000000000000000 R08: ff29fcf78321a290 R09: ff29fcf7819b4030
[    6.347575] R10: ff29fcf788044118 R11: fefefefefefefeff R12: 0000000000000000
[    6.347615] R13: 0000000000000010 R14: ff29fcf788044000 R15: ff29fcf781c38b00
[    6.347658] FS:  00007fcd78408b80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    6.347703] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.347745] CR2: 000055a0ccba1c68 CR3: 00000000084a5005 CR4: 0000000000771ef0
[    6.347794] PKRU: 55555554
[    6.347808] Call Trace:
[    6.347823]  <TASK>
[    6.347836]  rtmsg_ifinfo+0x3c/0xa0
[    6.347859]  netif_close_many+0xed/0x190
[    6.347884]  unregister_netdevice_many_notify+0x118/0xa40
[    6.347917]  ? __destroy_inode+0x1a/0xc0
[    6.347947]  unregister_netdevice_queue+0x9e/0xd0
[    6.347978]  nsim_destroy+0x91/0x200 [netdevsim]
[    6.348008]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    6.348038]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    6.348067]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    6.348096]  device_release_driver_internal+0x19a/0x200
[    6.348128]  bus_remove_device+0xed/0x1b0
[    6.348151]  ? device_remove_attrs+0xb3/0x100
[    6.348179]  device_del+0x158/0x450
[    6.348200]  device_unregister+0x12/0x30
[    6.348224]  del_device_store+0x122/0x190 [netdevsim]
[    6.348252]  kernfs_fop_write_iter+0x151/0x200
[    6.348281]  vfs_write+0x257/0x5c0
[    6.348305]  ksys_write+0x7b/0x110
[    6.348326]  do_syscall_64+0x104/0xfc0
[    6.348350]  ? __sysvec_call_function_single+0x20/0xd0
[    6.348379]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.348408] RIP: 0033:0x7fcd7847a08e
[    6.348428] 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 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[    6.348522] RSP: 002b:00007ffe9b3f1960 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    6.348558] RAX: ffffffffffffffda RBX: 00007fcd785fc580 RCX: 00007fcd7847a08e
[    6.348602] RDX: 0000000000000004 RSI: 000055a0ccbadcb0 RDI: 0000000000000001
[    6.348641] RBP: 00007ffe9b3f1970 R08: 0000000000000000 R09: 0000000000000000
[    6.348682] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    6.348721] R13: 0000000000000004 R14: 000055a0ccbadcb0 R15: 0000000000000000
[    6.348762]  </TASK>
[    6.348777] ---[ end trace 0000000000000000 ]---
[    6.348851] ------------[ cut here ]------------
[    6.348877] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2197
[    6.348925] Modules linked in: netconsole netdevsim
[    6.348956] CPU: 0 UID: 0 PID: 2197 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.349010] Tainted: [W]=WARN
[    6.349034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.349073] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.349101] 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
[    6.349193] RSP: 0018:ff835a92c17dbb88 EFLAGS: 00010286
[    6.349223] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.349261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c38b00
[    6.349300] RBP: 0000000000000000 R08: ff29fcf78321a290 R09: ff29fcf7819c0030
[    6.349337] R10: ff29fcf788044118 R11: fefefefefefefeff R12: 0000000000000000
[    6.349379] R13: 0000000000000011 R14: ff29fcf788044000 R15: ff29fcf781c38b00
[    6.349427] FS:  00007fcd78408b80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    6.349474] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.349504] CR2: 000055a0ccba1c68 CR3: 00000000084a5005 CR4: 0000000000771ef0
[    6.349543] PKRU: 55555554
[    6.349559] Call Trace:
[    6.349576]  <TASK>
[    6.349593]  unregister_netdevice_many_notify+0x595/0xa40
[    6.349620]  unregister_netdevice_queue+0x9e/0xd0
[    6.349648]  nsim_destroy+0x91/0x200 [netdevsim]
[    6.349679]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    6.349709]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    6.349736]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    6.349765]  device_release_driver_internal+0x19a/0x200
[    6.349792]  bus_remove_device+0xed/0x1b0
[    6.349814]  ? device_remove_attrs+0xb3/0x100
[    6.349844]  device_del+0x158/0x450
[    6.349867]  device_unregister+0x12/0x30
[    6.349888]  del_device_store+0x122/0x190 [netdevsim]
[    6.349962]  kernfs_fop_write_iter+0x151/0x200
[    6.349992]  vfs_write+0x257/0x5c0
[    6.350015]  ksys_write+0x7b/0x110
[    6.350037]  do_syscall_64+0x104/0xfc0
[    6.350060]  ? __sysvec_call_function_single+0x20/0xd0
[    6.350089]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.350117] RIP: 0033:0x7fcd7847a08e
[    6.350139] 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 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
[    6.350234] RSP: 002b:00007ffe9b3f1960 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    6.350275] RAX: ffffffffffffffda RBX: 00007fcd785fc580 RCX: 00007fcd7847a08e
[    6.350316] RDX: 0000000000000004 RSI: 000055a0ccbadcb0 RDI: 0000000000000001
[    6.350354] RBP: 00007ffe9b3f1970 R08: 0000000000000000 R09: 0000000000000000
[    6.350394] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    6.350433] R13: 0000000000000004 R14: 000055a0ccbadcb0 R15: 0000000000000000
[    6.350472]  </TASK>
[    6.350486] ---[ end trace 0000000000000000 ]---
[    6.387891] ------------[ cut here ]------------
[    6.387980] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[    6.388035] Modules linked in: netconsole netdevsim
[    6.388066] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.388123] Tainted: [W]=WARN
[    6.388145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.388181] Workqueue: netns cleanup_net
[    6.388205] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.388234] 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
[    6.388327] RSP: 0018:ff835a92c023fc08 EFLAGS: 00010286
[    6.388355] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    6.388398] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c38400
[    6.388440] RBP: 0000000000000000 R08: ff29fcf783147f90 R09: ff29fcf7819b302c
[    6.388479] R10: ff29fcf7819b7118 R11: fefefefefefefeff R12: 0000000000000000
[    6.388522] R13: 0000000000000010 R14: ff29fcf7819b7000 R15: ff29fcf781c38400
[    6.388567] FS:  0000000000000000(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    6.388609] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.388644] CR2: 00007f99e0cce574 CR3: 000000002a442006 CR4: 0000000000771ef0
[    6.388686] PKRU: 55555554
[    6.388702] Call Trace:
[    6.388717]  <TASK>
[    6.388733]  rtmsg_ifinfo+0x3c/0xa0
[    6.388754]  netif_close_many+0xed/0x190
[    6.388774]  unregister_netdevice_many_notify+0x215/0xa40
[    6.388805]  default_device_exit_batch+0x328/0x3a0
[    6.388833]  ops_undo_list+0x10b/0x240
[    6.388857]  cleanup_net+0x1d7/0x2e0
[    6.388877]  process_one_work+0x162/0x360
[    6.388906]  worker_thread+0x16e/0x2d0
[    6.388934]  ? rescuer_thread+0x510/0x510
[    6.388957]  kthread+0xe1/0x120
[    6.388981]  ? kthread_park+0xa0/0xa0
[    6.389008]  ret_from_fork+0x16d/0x250
[    6.389034]  ? kthread_park+0xa0/0xa0
[    6.389058]  ret_from_fork_asm+0x11/0x20
[    6.389082]  </TASK>
[    6.389095] ---[ end trace 0000000000000000 ]---
[    6.389168] ------------[ cut here ]------------
[    6.389197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[    6.389253] Modules linked in: netconsole netdevsim
[    6.389283] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.389340] Tainted: [W]=WARN
[    6.389360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.389392] Workqueue: netns cleanup_net
[    6.389414] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.389443] 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
[    6.389534] RSP: 0018:ff835a92c023fc78 EFLAGS: 00010286
[    6.389563] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.389601] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c38400
[    6.389642] RBP: 0000000000000000 R08: ff29fcf783147f90 R09: ff29fcf78741902c
[    6.389683] R10: ff29fcf7819b7118 R11: fefefefefefefeff R12: 0000000000000000
[    6.389723] R13: 0000000000000011 R14: ff29fcf7819b7000 R15: ff29fcf781c38400
[    6.389766] FS:  0000000000000000(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    6.389808] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.389841] CR2: 00007f99e0cce574 CR3: 000000002a442006 CR4: 0000000000771ef0
[    6.389886] PKRU: 55555554
[    6.389902] Call Trace:
[    6.389915]  <TASK>
[    6.389930]  unregister_netdevice_many_notify+0x595/0xa40
[    6.389959]  default_device_exit_batch+0x328/0x3a0
[    6.389986]  ops_undo_list+0x10b/0x240
[    6.390009]  cleanup_net+0x1d7/0x2e0
[    6.390030]  process_one_work+0x162/0x360
[    6.390059]  worker_thread+0x16e/0x2d0
[    6.390080]  ? rescuer_thread+0x510/0x510
[    6.390101]  kthread+0xe1/0x120
[    6.390124]  ? kthread_park+0xa0/0xa0
[    6.390148]  ret_from_fork+0x16d/0x250
[    6.390170]  ? kthread_park+0xa0/0xa0
[    6.390192]  ret_from_fork_asm+0x11/0x20
[    6.390215]  </TASK>
[    6.390230] ---[ end trace 0000000000000000 ]---