[    5.572257] ------------[ cut here ]------------
[    5.572307] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2135
[    5.572365] Modules linked in: netconsole netdevsim
[    5.572395] CPU: 3 UID: 0 PID: 2135 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.572446] Tainted: [W]=WARN
[    5.572470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.572510] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.572539] 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
[    5.572628] RSP: 0018:ff835a92c1703cc8 EFLAGS: 00010286
[    5.572659] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.572701] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781df2500
[    5.572741] RBP: 0000000000000000 R08: ff29fcf78316d8d0 R09: ff29fcf78513c02c
[    5.572782] R10: ff29fcf7819b3118 R11: fefefefefefefeff R12: 0000000000000000
[    5.572824] R13: 0000000000000010 R14: ff29fcf7819b3000 R15: ff29fcf781df2500
[    5.572867] FS:  00007f4ee0d8a840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    5.572914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.572952] CR2: 00007f4ee0f8bc20 CR3: 0000000008e9b003 CR4: 0000000000771ef0
[    5.572992] PKRU: 55555554
[    5.573009] Call Trace:
[    5.573026]  <TASK>
[    5.573043]  rtmsg_ifinfo+0x3c/0xa0
[    5.573065]  register_netdevice+0x8e1/0xa70
[    5.573091]  register_netdev+0x1e/0x30
[    5.573113]  loopback_net_init+0x57/0xb0
[    5.573136]  ? vsock_sysctl_init_net+0xb6/0x140
[    5.573168]  ops_init+0x68/0x140
[    5.573192]  setup_net+0x85/0x150
[    5.573213]  copy_net_ns+0xf5/0x200
[    5.573236]  create_new_namespaces+0x117/0x2f0
[    5.573269]  unshare_nsproxy_namespaces+0x85/0xb0
[    5.573296]  ksys_unshare+0x346/0x5e0
[    5.573320]  __x64_sys_unshare+0x12/0x20
[    5.573341]  do_syscall_64+0x104/0xfc0
[    5.573364]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    5.573392] RIP: 0033:0x7f4ee104cbcb
[    5.573414] 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
[    5.573504] RSP: 002b:00007ffcf2ceda58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.573545] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4ee104cbcb
[    5.573585] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    5.573623] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    5.573666] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcf2cefc80
[    5.573707] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf2cf1845
[    5.573747]  </TASK>
[    5.573761] ---[ end trace 0000000000000000 ]---
[    5.576723] ------------[ cut here ]------------
[    5.576789] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/2136
[    5.576876] Modules linked in: netconsole netdevsim
[    5.576957] CPU: 2 UID: 0 PID: 2136 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.577049] Tainted: [W]=WARN
[    5.577107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.577176] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.577239] 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
[    5.577364] RSP: 0018:ff835a92c170b720 EFLAGS: 00010286
[    5.577425] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    5.577506] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781df2b00
[    5.577582] RBP: 0000000000000000 R08: ff29fcf78316d8d0 R09: ff29fcf781c9a02c
[    5.577657] R10: ff29fcf7819b3118 R11: fefefefefefefeff R12: 0000000000000000
[    5.577738] R13: 0000000000000010 R14: ff29fcf7819b3000 R15: ff29fcf781df2b00
[    5.577820] FS:  00007f7e15e20840(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000
[    5.577905] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.577980] CR2: 00007f7e160f01a0 CR3: 0000000008eab001 CR4: 0000000000771ef0
[    5.578060] PKRU: 55555554
[    5.578108] Call Trace:
[    5.578158]  <TASK>
[    5.578207]  rtmsg_ifinfo+0x3c/0xa0
[    5.578267]  __dev_notify_flags+0xb1/0xf0
[    5.578327]  ? rtnl_getlink+0x456/0x5e0
[    5.578383]  netif_change_flags+0x54/0x70
[    5.578439]  do_setlink.isra.0+0x390/0x1570
[    5.578503]  ? __nla_validate_parse+0x76/0xf20
[    5.578571]  rtnl_newlink+0x9c7/0xe10
[    5.578632]  ? kmalloc_reserve+0xa9/0x170
[    5.578694]  ? do_setlink.isra.0+0x1570/0x1570
[    5.578761]  rtnetlink_rcv_msg+0x39f/0x460
[    5.578822]  ? netlink_unicast+0x306/0x3a0
[    5.578881]  ? rtnl_calcit.isra.0+0x160/0x160
[    5.578957]  netlink_rcv_skb+0xca/0x140
[    5.579017]  netlink_unicast+0x26b/0x3a0
[    5.579073]  netlink_sendmsg+0x1e2/0x430
[    5.579130]  ____sys_sendmsg+0x14c/0x2b0
[    5.579194]  ___sys_sendmsg+0xe1/0x120
[    5.579257]  __sys_sendmsg+0xad/0x100
[    5.579317]  do_syscall_64+0x104/0xfc0
[    5.579378]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    5.579441] RIP: 0033:0x7f7e1605a08e
[    5.579501] 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
[    5.579630] RSP: 002b:00007ffc285d7690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    5.579706] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7e1605a08e
[    5.579786] RDX: 0000000000000000 RSI: 00007ffc285d7740 RDI: 0000000000000005
[    5.579860] RBP: 00007ffc285d76a0 R08: 0000000000000000 R09: 0000000000000000
[    5.579954] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db71
[    5.580030] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc285d7e10
[    5.580107]  </TASK>
[    5.580154] ---[ end trace 0000000000000000 ]---
[    5.588399] ------------[ cut here ]------------
[    5.588442] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2109
[    5.588493] Modules linked in: netconsole netdevsim
[    5.588524] CPU: 0 UID: 0 PID: 2109 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.588581] Tainted: [W]=WARN
[    5.588601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.588633] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.588658] 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
[    5.588751] RSP: 0018:ff835a92c15d39d0 EFLAGS: 00010286
[    5.588778] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.588823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c36a00
[    5.588861] RBP: 0000000000000000 R08: ff29fcf783220750 R09: ff29fcf7819b4030
[    5.588908] R10: ff29fcf78742a118 R11: fefefefefefefeff R12: 0000000000000000
[    5.588954] R13: 0000000000000010 R14: ff29fcf78742a000 R15: ff29fcf781c36a00
[    5.588996] FS:  00007f3c4a011b80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    5.589043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.589079] CR2: 000056210b4a58e0 CR3: 0000000008c7f003 CR4: 0000000000771ef0
[    5.589123] PKRU: 55555554
[    5.589138] Call Trace:
[    5.589153]  <TASK>
[    5.589169]  rtmsg_ifinfo+0x3c/0xa0
[    5.589192]  register_netdevice+0x8e1/0xa70
[    5.589220]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    5.589252]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    5.589280]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    5.589309]  really_probe+0xc9/0x290
[    5.589333]  ? driver_probe_device+0xe0/0xe0
[    5.589361]  __driver_probe_device+0x8d/0x160
[    5.589391]  driver_probe_device+0x1f/0xe0
[    5.589413]  __device_attach_driver+0x71/0x100
[    5.589441]  bus_for_each_drv+0x9d/0x100
[    5.589460]  __device_attach+0xb0/0x1b0
[    5.589482]  device_initial_probe+0x4a/0x70
[    5.589504]  bus_probe_device+0x3c/0xb0
[    5.589527]  device_add+0x675/0x8a0
[    5.589549]  new_device_store+0x19b/0x2b0 [netdevsim]
[    5.589577]  kernfs_fop_write_iter+0x151/0x200
[    5.589608]  vfs_write+0x257/0x5c0
[    5.589631]  ksys_write+0x7b/0x110
[    5.589655]  do_syscall_64+0x104/0xfc0
[    5.589676]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    5.589706] RIP: 0033:0x7f3c4a08308e
[    5.589725] 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
[    5.589816] RSP: 002b:00007fffa0a86ab0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    5.589858] RAX: ffffffffffffffda RBX: 00007f3c4a205580 RCX: 00007f3c4a08308e
[    5.589905] RDX: 0000000000000004 RSI: 000056213d59c660 RDI: 0000000000000001
[    5.589951] RBP: 00007fffa0a86ac0 R08: 0000000000000000 R09: 0000000000000000
[    5.589992] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    5.590028] R13: 0000000000000004 R14: 000056213d59c660 R15: 0000000000000000
[    5.590067]  </TASK>
[    5.590083] ---[ end trace 0000000000000000 ]---
[    5.590604] ------------[ cut here ]------------
[    5.590636] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2109
[    5.590688] Modules linked in: netconsole netdevsim
[    5.590717] CPU: 0 UID: 0 PID: 2109 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.590772] Tainted: [W]=WARN
[    5.590796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.590831] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.590861] 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
[    5.590971] RSP: 0018:ff835a92c15d39d0 EFLAGS: 00010286
[    5.591000] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.591037] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c36600
[    5.591073] RBP: 0000000000000000 R08: ff29fcf783161450 R09: ff29fcf785197030
[    5.591109] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: 0000000000000000
[    5.591153] R13: 0000000000000010 R14: ff29fcf78742c000 R15: ff29fcf781c36600
[    5.591194] FS:  00007f3c4a011b80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    5.591235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.591269] CR2: 000056210b4a58e0 CR3: 0000000008c7f003 CR4: 0000000000771ef0
[    5.591309] PKRU: 55555554
[    5.591328] Call Trace:
[    5.591342]  <TASK>
[    5.591355]  rtmsg_ifinfo+0x3c/0xa0
[    5.591379]  register_netdevice+0x8e1/0xa70
[    5.591399]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    5.591429]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    5.591458]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    5.591486]  really_probe+0xc9/0x290
[    5.591509]  ? driver_probe_device+0xe0/0xe0
[    5.591535]  __driver_probe_device+0x8d/0x160
[    5.591563]  driver_probe_device+0x1f/0xe0
[    5.591589]  __device_attach_driver+0x71/0x100
[    5.591619]  bus_for_each_drv+0x9d/0x100
[    5.591641]  __device_attach+0xb0/0x1b0
[    5.591662]  device_initial_probe+0x4a/0x70
[    5.591680]  bus_probe_device+0x3c/0xb0
[    5.591700]  device_add+0x675/0x8a0
[    5.591721]  new_device_store+0x19b/0x2b0 [netdevsim]
[    5.591749]  kernfs_fop_write_iter+0x151/0x200
[    5.591780]  vfs_write+0x257/0x5c0
[    5.591802]  ksys_write+0x7b/0x110
[    5.591824]  do_syscall_64+0x104/0xfc0
[    5.591846]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    5.591877] RIP: 0033:0x7f3c4a08308e
[    5.591903] 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
[    5.592000] RSP: 002b:00007fffa0a86ae0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    5.592042] RAX: ffffffffffffffda RBX: 00007f3c4a205580 RCX: 00007f3c4a08308e
[    5.592082] RDX: 0000000000000004 RSI: 000056213d59c660 RDI: 0000000000000001
[    5.592122] RBP: 00007fffa0a86af0 R08: 0000000000000000 R09: 0000000000000000
[    5.592158] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    5.592200] R13: 0000000000000004 R14: 000056213d59c660 R15: 0000000000000000
[    5.592241]  </TASK>
[    5.592255] ---[ end trace 0000000000000000 ]---
[    5.618946] ------------[ cut here ]------------
[    5.618999] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2150
[    5.619048] Modules linked in: netconsole netdevsim
[    5.619076] CPU: 3 UID: 0 PID: 2150 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.619136] Tainted: [W]=WARN
[    5.619160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.619195] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.619226] 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
[    5.619330] RSP: 0018:ff835a92c17436d8 EFLAGS: 00010286
[    5.619358] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.619398] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7e00
[    5.619438] RBP: 0000000000000000 R08: ff29fcf783220750 R09: ff29fcf785133830
[    5.619478] R10: ff29fcf78742a118 R11: fefefefefefefeff R12: ff835a92c174378c
[    5.619516] R13: 0000000000000011 R14: ff29fcf78742a000 R15: ff29fcf7830f7e00
[    5.619557] FS:  00007f9e8940c840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    5.619608] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.619643] CR2: 000000002347b988 CR3: 0000000008760002 CR4: 0000000000771ef0
[    5.619686] PKRU: 55555554
[    5.619703] Call Trace:
[    5.619717]  <TASK>
[    5.619733]  rtmsg_ifinfo_newnet+0x33/0x70
[    5.619755]  __dev_change_net_namespace+0x407/0xc50
[    5.619783]  ? rtnl_getlink+0x459/0x5e0
[    5.619806]  do_setlink.isra.0+0xd7/0x1570
[    5.619829]  ? __nla_validate_parse+0x76/0xf20
[    5.619858]  rtnl_newlink+0x9c7/0xe10
[    5.619881]  ? kmalloc_reserve+0xa9/0x170
[    5.619908]  ? do_setlink.isra.0+0x1570/0x1570
[    5.619942]  rtnetlink_rcv_msg+0x39f/0x460
[    5.619964]  ? netlink_unicast+0x306/0x3a0
[    5.619986]  ? rtnl_calcit.isra.0+0x160/0x160
[    5.620012]  netlink_rcv_skb+0xca/0x140
[    5.620033]  netlink_unicast+0x26b/0x3a0
[    5.620055]  netlink_sendmsg+0x1e2/0x430
[    5.620078]  ____sys_sendmsg+0x14c/0x2b0
[    5.620101]  ___sys_sendmsg+0xe1/0x120
[    5.620124]  __sys_sendmsg+0xad/0x100
[    5.620146]  do_syscall_64+0x104/0xfc0
[    5.620167]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    5.620195] RIP: 0033:0x7f9e8964608e
[    5.620216] 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
[    5.620306] RSP: 002b:00007ffd055a6c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    5.620350] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9e8964608e
[    5.620393] RDX: 0000000000000000 RSI: 00007ffd055a6d40 RDI: 0000000000000005
[    5.620432] RBP: 00007ffd055a6ca0 R08: 0000000000000000 R09: 0000000000000000
[    5.620472] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db71
[    5.620510] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd055a7400
[    5.620551]  </TASK>
[    5.620568] ---[ end trace 0000000000000000 ]---
[    5.620632] ------------[ cut here ]------------
[    5.620659] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2150
[    5.620700] Modules linked in: netconsole netdevsim
[    5.620728] CPU: 3 UID: 0 PID: 2150 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.620778] Tainted: [W]=WARN
[    5.620799] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.620830] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.620855] 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
[    5.620944] RSP: 0018:ff835a92c17436c8 EFLAGS: 00010286
[    5.620976] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.621016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781df2700
[    5.621059] RBP: 0000000000000000 R08: ff29fcf783220750 R09: ff29fcf78513c030
[    5.621105] R10: ff29fcf78742a118 R11: fefefefefefefeff R12: 0000000000000000
[    5.621146] R13: 0000000000000010 R14: ff29fcf78742a000 R15: ff29fcf781df2700
[    5.621183] FS:  00007f9e8940c840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    5.621223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.621258] CR2: 000000002347b988 CR3: 0000000008760002 CR4: 0000000000771ef0
[    5.621296] PKRU: 55555554
[    5.621312] Call Trace:
[    5.621323]  <TASK>
[    5.621336]  rtmsg_ifinfo+0x3c/0xa0
[    5.621357]  __dev_change_net_namespace+0x22e/0xc50
[    5.621384]  ? rtnl_getlink+0x459/0x5e0
[    5.621406]  do_setlink.isra.0+0xd7/0x1570
[    5.621426]  ? __nla_validate_parse+0x76/0xf20
[    5.621450]  rtnl_newlink+0x9c7/0xe10
[    5.621479]  ? kmalloc_reserve+0xa9/0x170
[    5.621502]  ? do_setlink.isra.0+0x1570/0x1570
[    5.621530]  rtnetlink_rcv_msg+0x39f/0x460
[    5.621552]  ? netlink_unicast+0x306/0x3a0
[    5.621576]  ? rtnl_calcit.isra.0+0x160/0x160
[    5.621603]  netlink_rcv_skb+0xca/0x140
[    5.621624]  netlink_unicast+0x26b/0x3a0
[    5.621645]  netlink_sendmsg+0x1e2/0x430
[    5.621669]  ____sys_sendmsg+0x14c/0x2b0
[    5.621691]  ___sys_sendmsg+0xe1/0x120
[    5.621715]  __sys_sendmsg+0xad/0x100
[    5.621737]  do_syscall_64+0x104/0xfc0
[    5.621759]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    5.621791] RIP: 0033:0x7f9e8964608e
[    5.621811] 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
[    5.621908] RSP: 002b:00007ffd055a6c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    5.621949] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9e8964608e
[    5.621989] RDX: 0000000000000000 RSI: 00007ffd055a6d40 RDI: 0000000000000005
[    5.622027] RBP: 00007ffd055a6ca0 R08: 0000000000000000 R09: 0000000000000000
[    5.622067] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db71
[    5.622105] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd055a7400
[    5.622147]  </TASK>
[    5.622161] ---[ end trace 0000000000000000 ]---
[    5.633118] ------------[ cut here ]------------
[    5.633157] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2152
[    5.633205] Modules linked in: netconsole netdevsim
[    5.633233] CPU: 3 UID: 0 PID: 2152 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.633284] Tainted: [W]=WARN
[    5.633306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.633338] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.633368] 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
[    5.633457] RSP: 0018:ff835a92c1753720 EFLAGS: 00010286
[    5.633483] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    5.633530] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783071a00
[    5.633570] RBP: 0000000000000000 R08: ff29fcf783220750 R09: ff29fcf78513c030
[    5.633608] R10: ff29fcf78742a118 R11: fefefefefefefeff R12: 0000000000000000
[    5.633647] R13: 0000000000000010 R14: ff29fcf78742a000 R15: ff29fcf783071a00
[    5.633687] FS:  00007faf588a5840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    5.633726] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.633763] CR2: 000000001d704988 CR3: 00000000053e5006 CR4: 0000000000771ef0
[    5.633805] PKRU: 55555554
[    5.633820] Call Trace:
[    5.633835]  <TASK>
[    5.633850]  rtmsg_ifinfo+0x3c/0xa0
[    5.633872]  __dev_notify_flags+0xb1/0xf0
[    5.633898]  ? rtnl_getlink+0x456/0x5e0
[    5.633922]  netif_change_flags+0x54/0x70
[    5.633946]  do_setlink.isra.0+0x390/0x1570
[    5.633968]  ? __nla_validate_parse+0x76/0xf20
[    5.633996]  rtnl_newlink+0x9c7/0xe10
[    5.634018]  ? kmalloc_reserve+0xa9/0x170
[    5.634039]  ? do_setlink.isra.0+0x1570/0x1570
[    5.634068]  rtnetlink_rcv_msg+0x39f/0x460
[    5.634090]  ? netlink_unicast+0x306/0x3a0
[    5.634111]  ? rtnl_calcit.isra.0+0x160/0x160
[    5.634145]  netlink_rcv_skb+0xca/0x140
[    5.634166]  netlink_unicast+0x26b/0x3a0
[    5.634189]  netlink_sendmsg+0x1e2/0x430
[    5.634211]  ____sys_sendmsg+0x14c/0x2b0
[    5.634233]  ___sys_sendmsg+0xe1/0x120
[    5.634255]  __sys_sendmsg+0xad/0x100
[    5.634273]  do_syscall_64+0x104/0xfc0
[    5.634293]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    5.634322] RIP: 0033:0x7faf58adf08e
[    5.634341] 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
[    5.634431] RSP: 002b:00007ffd4ff33520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    5.634467] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faf58adf08e
[    5.634505] RDX: 0000000000000000 RSI: 00007ffd4ff335d0 RDI: 0000000000000005
[    5.634542] RBP: 00007ffd4ff33530 R08: 0000000000000000 R09: 0000000000000000
[    5.634580] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db71
[    5.634620] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4ff33c90
[    5.634658]  </TASK>
[    5.634673] ---[ end trace 0000000000000000 ]---
[    5.640288] ------------[ cut here ]------------
[    5.640327] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2154
[    5.640377] Modules linked in: netconsole netdevsim
[    5.640409] CPU: 3 UID: 0 PID: 2154 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.640466] Tainted: [W]=WARN
[    5.640485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.640516] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.640552] 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
[    5.640641] RSP: 0018:ff835a92c1763720 EFLAGS: 00010286
[    5.640668] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    5.640708] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781df2400
[    5.640748] RBP: 0000000000000000 R08: ff29fcf783161450 R09: ff29fcf78513c030
[    5.640787] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: 0000000000000000
[    5.640831] R13: 0000000000000010 R14: ff29fcf78742c000 R15: ff29fcf781df2400
[    5.640871] FS:  00007f5172252840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    5.640918] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.640958] CR2: 00007f51725221a0 CR3: 00000000080f3002 CR4: 0000000000771ef0
[    5.640999] PKRU: 55555554
[    5.641014] Call Trace:
[    5.641027]  <TASK>
[    5.641042]  rtmsg_ifinfo+0x3c/0xa0
[    5.641068]  __dev_notify_flags+0xb1/0xf0
[    5.641089]  ? rtnl_getlink+0x456/0x5e0
[    5.641110]  netif_change_flags+0x54/0x70
[    5.641133]  do_setlink.isra.0+0x390/0x1570
[    5.641154]  ? __nla_validate_parse+0x76/0xf20
[    5.641182]  rtnl_newlink+0x9c7/0xe10
[    5.641205]  ? kmalloc_reserve+0xa9/0x170
[    5.641226]  ? do_setlink.isra.0+0x1570/0x1570
[    5.641254]  rtnetlink_rcv_msg+0x39f/0x460
[    5.641276]  ? netlink_unicast+0x306/0x3a0
[    5.641296]  ? rtnl_calcit.isra.0+0x160/0x160
[    5.641325]  netlink_rcv_skb+0xca/0x140
[    5.641346]  netlink_unicast+0x26b/0x3a0
[    5.641365]  netlink_sendmsg+0x1e2/0x430
[    5.641387]  ____sys_sendmsg+0x14c/0x2b0
[    5.641406]  ___sys_sendmsg+0xe1/0x120
[    5.641426]  __sys_sendmsg+0xad/0x100
[    5.641450]  do_syscall_64+0x104/0xfc0
[    5.641470]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    5.641501] RIP: 0033:0x7f517248c08e
[    5.641523] 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
[    5.641618] RSP: 002b:00007fff52ad6860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    5.641659] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f517248c08e
[    5.641700] RDX: 0000000000000000 RSI: 00007fff52ad6910 RDI: 0000000000000005
[    5.641740] RBP: 00007fff52ad6870 R08: 0000000000000000 R09: 0000000000000000
[    5.641779] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db71
[    5.641818] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff52ad6fd0
[    5.641860]  </TASK>
[    5.641873] ---[ end trace 0000000000000000 ]---
[    5.652527] ------------[ cut here ]------------
[    5.652568] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2109
[    5.652619] Modules linked in: netconsole netdevsim
[    5.652647] CPU: 0 UID: 0 PID: 2109 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.652701] Tainted: [W]=WARN
[    5.652725] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.652757] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.652785] 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
[    5.652874] RSP: 0018:ff835a92c15d3b18 EFLAGS: 00010286
[    5.652909] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    5.652962] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c36500
[    5.653003] RBP: 0000000000000000 R08: ff29fcf783220750 R09: ff29fcf785197030
[    5.653040] R10: ff29fcf78742a118 R11: fefefefefefefeff R12: 0000000000000000
[    5.653079] R13: 0000000000000010 R14: ff29fcf78742a000 R15: ff29fcf781c36500
[    5.653127] FS:  00007f3c4a011b80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    5.653165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.653198] CR2: 000056213d5925c8 CR3: 0000000008c7f005 CR4: 0000000000771ef0
[    5.653240] PKRU: 55555554
[    5.653255] Call Trace:
[    5.653267]  <TASK>
[    5.653282]  rtmsg_ifinfo+0x3c/0xa0
[    5.653306]  netif_close_many+0xed/0x190
[    5.653329]  unregister_netdevice_many_notify+0x118/0xa40
[    5.653358]  ? __destroy_inode+0x1a/0xc0
[    5.653380]  unregister_netdevice_queue+0x9e/0xd0
[    5.653407]  nsim_destroy+0x91/0x200 [netdevsim]
[    5.653438]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    5.653472]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    5.653499]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    5.653532]  device_release_driver_internal+0x19a/0x200
[    5.653560]  bus_remove_device+0xed/0x1b0
[    5.653581]  ? device_remove_attrs+0xb3/0x100
[    5.653609]  device_del+0x158/0x450
[    5.653629]  device_unregister+0x12/0x30
[    5.653651]  del_device_store+0x122/0x190 [netdevsim]
[    5.653676]  kernfs_fop_write_iter+0x151/0x200
[    5.653705]  vfs_write+0x257/0x5c0
[    5.653727]  ksys_write+0x7b/0x110
[    5.653748]  do_syscall_64+0x104/0xfc0
[    5.653769]  ? __sysvec_call_function_single+0x20/0xd0
[    5.653799]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    5.653826] RIP: 0033:0x7f3c4a08308e
[    5.653850] 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
[    5.653952] RSP: 002b:00007fffa0a86e70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    5.653992] RAX: ffffffffffffffda RBX: 00007f3c4a205580 RCX: 00007f3c4a08308e
[    5.654036] RDX: 0000000000000004 RSI: 000056213d59c660 RDI: 0000000000000001
[    5.654084] RBP: 00007fffa0a86e80 R08: 0000000000000000 R09: 0000000000000000
[    5.654125] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    5.654164] R13: 0000000000000004 R14: 000056213d59c660 R15: 0000000000000000
[    5.654206]  </TASK>
[    5.654220] ---[ end trace 0000000000000000 ]---
[    5.654296] ------------[ cut here ]------------
[    5.654323] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2109
[    5.654372] Modules linked in: netconsole netdevsim
[    5.654401] CPU: 0 UID: 0 PID: 2109 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.654458] Tainted: [W]=WARN
[    5.654476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.654507] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.654533] 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
[    5.654628] RSP: 0018:ff835a92c15d3b88 EFLAGS: 00010286
[    5.654658] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.654694] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c36500
[    5.654733] RBP: 0000000000000000 R08: ff29fcf783220750 R09: ff29fcf781ca9830
[    5.654773] R10: ff29fcf78742a118 R11: fefefefefefefeff R12: 0000000000000000
[    5.654811] R13: 0000000000000011 R14: ff29fcf78742a000 R15: ff29fcf781c36500
[    5.654856] FS:  00007f3c4a011b80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    5.654899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.654933] CR2: 000056213d5925c8 CR3: 0000000008c7f005 CR4: 0000000000771ef0
[    5.654974] PKRU: 55555554
[    5.654988] Call Trace:
[    5.655001]  <TASK>
[    5.655022]  unregister_netdevice_many_notify+0x595/0xa40
[    5.655051]  unregister_netdevice_queue+0x9e/0xd0
[    5.655077]  nsim_destroy+0x91/0x200 [netdevsim]
[    5.655105]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    5.655133]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    5.655160]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    5.655188]  device_release_driver_internal+0x19a/0x200
[    5.655215]  bus_remove_device+0xed/0x1b0
[    5.655238]  ? device_remove_attrs+0xb3/0x100
[    5.655265]  device_del+0x158/0x450
[    5.655287]  device_unregister+0x12/0x30
[    5.655307]  del_device_store+0x122/0x190 [netdevsim]
[    5.655335]  kernfs_fop_write_iter+0x151/0x200
[    5.655362]  vfs_write+0x257/0x5c0
[    5.655383]  ksys_write+0x7b/0x110
[    5.655406]  do_syscall_64+0x104/0xfc0
[    5.655428]  ? __sysvec_call_function_single+0x20/0xd0
[    5.655461]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    5.655488] RIP: 0033:0x7f3c4a08308e
[    5.655509] 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
[    5.655600] RSP: 002b:00007fffa0a86e70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    5.655639] RAX: ffffffffffffffda RBX: 00007f3c4a205580 RCX: 00007f3c4a08308e
[    5.655677] RDX: 0000000000000004 RSI: 000056213d59c660 RDI: 0000000000000001
[    5.655716] RBP: 00007fffa0a86e80 R08: 0000000000000000 R09: 0000000000000000
[    5.655755] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    5.655793] R13: 0000000000000004 R14: 000056213d59c660 R15: 0000000000000000
[    5.655834]  </TASK>
[    5.655848] ---[ end trace 0000000000000000 ]---
[    5.679127] ------------[ cut here ]------------
[    5.679186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2109
[    5.679233] Modules linked in: netconsole netdevsim
[    5.679259] CPU: 0 UID: 0 PID: 2109 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.679319] Tainted: [W]=WARN
[    5.679340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.679374] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.679402] 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
[    5.679492] RSP: 0018:ff835a92c15d3b18 EFLAGS: 00010286
[    5.679516] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    5.679560] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c36400
[    5.679599] RBP: 0000000000000000 R08: ff29fcf783161450 R09: ff29fcf7819b1030
[    5.679638] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: 0000000000000000
[    5.679676] R13: 0000000000000010 R14: ff29fcf78742c000 R15: ff29fcf781c36400
[    5.679720] FS:  00007f3c4a011b80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    5.679763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.679798] CR2: 000056213d5925c8 CR3: 0000000008c7f005 CR4: 0000000000771ef0
[    5.679837] PKRU: 55555554
[    5.679852] Call Trace:
[    5.679865]  <TASK>
[    5.679886]  rtmsg_ifinfo+0x3c/0xa0
[    5.679914]  netif_close_many+0xed/0x190
[    5.679944]  unregister_netdevice_many_notify+0x118/0xa40
[    5.679977]  ? __destroy_inode+0x1a/0xc0
[    5.679999]  unregister_netdevice_queue+0x9e/0xd0
[    5.680029]  nsim_destroy+0x91/0x200 [netdevsim]
[    5.680060]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    5.680091]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    5.680120]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    5.680148]  device_release_driver_internal+0x19a/0x200
[    5.680181]  bus_remove_device+0xed/0x1b0
[    5.680202]  ? device_remove_attrs+0xb3/0x100
[    5.680229]  device_del+0x158/0x450
[    5.680250]  device_unregister+0x12/0x30
[    5.680269]  del_device_store+0x122/0x190 [netdevsim]
[    5.680294]  kernfs_fop_write_iter+0x151/0x200
[    5.680325]  vfs_write+0x257/0x5c0
[    5.680351]  ksys_write+0x7b/0x110
[    5.680373]  do_syscall_64+0x104/0xfc0
[    5.680394]  ? __sysvec_call_function_single+0x20/0xd0
[    5.680424]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    5.680454] RIP: 0033:0x7f3c4a08308e
[    5.680473] 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
[    5.680560] RSP: 002b:00007fffa0a86f70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    5.680604] RAX: ffffffffffffffda RBX: 00007f3c4a205580 RCX: 00007f3c4a08308e
[    5.680639] RDX: 0000000000000004 RSI: 000056213d59c660 RDI: 0000000000000001
[    5.680678] RBP: 00007fffa0a86f80 R08: 0000000000000000 R09: 0000000000000000
[    5.680717] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    5.680758] R13: 0000000000000004 R14: 000056213d59c660 R15: 0000000000000000
[    5.680795]  </TASK>
[    5.680810] ---[ end trace 0000000000000000 ]---
[    5.680880] ------------[ cut here ]------------
[    5.680914] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2109
[    5.680985] Modules linked in: netconsole netdevsim
[    5.681011] CPU: 0 UID: 0 PID: 2109 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.681060] Tainted: [W]=WARN
[    5.681078] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.681108] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.681133] 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
[    5.681223] RSP: 0018:ff835a92c15d3b88 EFLAGS: 00010286
[    5.681253] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.681292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c36400
[    5.681332] RBP: 0000000000000000 R08: ff29fcf783161450 R09: ff29fcf781cae830
[    5.681370] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: 0000000000000000
[    5.681411] R13: 0000000000000011 R14: ff29fcf78742c000 R15: ff29fcf781c36400
[    5.681450] FS:  00007f3c4a011b80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    5.681489] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.681523] CR2: 000056213d5925c8 CR3: 0000000008c7f005 CR4: 0000000000771ef0
[    5.681565] PKRU: 55555554
[    5.681580] Call Trace:
[    5.681593]  <TASK>
[    5.681610]  unregister_netdevice_many_notify+0x595/0xa40
[    5.681637]  unregister_netdevice_queue+0x9e/0xd0
[    5.681663]  nsim_destroy+0x91/0x200 [netdevsim]
[    5.681697]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    5.681725]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    5.681755]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    5.681787]  device_release_driver_internal+0x19a/0x200
[    5.681814]  bus_remove_device+0xed/0x1b0
[    5.681840]  ? device_remove_attrs+0xb3/0x100
[    5.681873]  device_del+0x158/0x450
[    5.681905]  device_unregister+0x12/0x30
[    5.681930]  del_device_store+0x122/0x190 [netdevsim]
[    5.681965]  kernfs_fop_write_iter+0x151/0x200
[    5.681991]  vfs_write+0x257/0x5c0
[    5.682013]  ksys_write+0x7b/0x110
[    5.682033]  do_syscall_64+0x104/0xfc0
[    5.682055]  ? __sysvec_call_function_single+0x20/0xd0
[    5.682081]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    5.682105] RIP: 0033:0x7f3c4a08308e
[    5.682124] 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
[    5.682209] RSP: 002b:00007fffa0a86f70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    5.682251] RAX: ffffffffffffffda RBX: 00007f3c4a205580 RCX: 00007f3c4a08308e
[    5.682288] RDX: 0000000000000004 RSI: 000056213d59c660 RDI: 0000000000000001
[    5.682326] RBP: 00007fffa0a86f80 R08: 0000000000000000 R09: 0000000000000000
[    5.682370] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    5.682406] R13: 0000000000000004 R14: 000056213d59c660 R15: 0000000000000000
[    5.682444]  </TASK>
[    5.682456] ---[ end trace 0000000000000000 ]---
[    5.722129] ------------[ cut here ]------------
[    5.722174] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[    5.722230] Modules linked in: netconsole netdevsim
[    5.722259] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.722312] Tainted: [W]=WARN
[    5.722333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.722365] Workqueue: netns cleanup_net
[    5.722388] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.722416] 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
[    5.722502] RSP: 0018:ff835a92c023fc08 EFLAGS: 00010286
[    5.722532] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    5.722573] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781df2800
[    5.722612] RBP: 0000000000000000 R08: ff29fcf78316d8d0 R09: ff29fcf78513c02c
[    5.722650] R10: ff29fcf7819b3118 R11: fefefefefefefeff R12: 0000000000000000
[    5.722699] R13: 0000000000000010 R14: ff29fcf7819b3000 R15: ff29fcf781df2800
[    5.722740] FS:  0000000000000000(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    5.722781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.722815] CR2: 00007f3c4a222f98 CR3: 000000002a442004 CR4: 0000000000771ef0
[    5.722852] PKRU: 55555554
[    5.722872] Call Trace:
[    5.722884]  <TASK>
[    5.722908]  rtmsg_ifinfo+0x3c/0xa0
[    5.722935]  netif_close_many+0xed/0x190
[    5.722957]  unregister_netdevice_many_notify+0x215/0xa40
[    5.722986]  default_device_exit_batch+0x328/0x3a0
[    5.723014]  ops_undo_list+0x10b/0x240
[    5.723036]  cleanup_net+0x1d7/0x2e0
[    5.723060]  process_one_work+0x162/0x360
[    5.723083]  worker_thread+0x16e/0x2d0
[    5.723104]  ? rescuer_thread+0x510/0x510
[    5.723126]  kthread+0xe1/0x120
[    5.723150]  ? kthread_park+0xa0/0xa0
[    5.723171]  ret_from_fork+0x16d/0x250
[    5.723194]  ? kthread_park+0xa0/0xa0
[    5.723212]  ret_from_fork_asm+0x11/0x20
[    5.723233]  </TASK>
[    5.723250] ---[ end trace 0000000000000000 ]---
[    5.723344] ------------[ cut here ]------------
[    5.723372] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[    5.723421] Modules linked in: netconsole netdevsim
[    5.723446] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    5.723499] Tainted: [W]=WARN
[    5.723519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.723552] Workqueue: netns cleanup_net
[    5.723576] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    5.723603] 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
[    5.723691] RSP: 0018:ff835a92c023fc78 EFLAGS: 00010286
[    5.723719] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.723761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7b00
[    5.723801] RBP: 0000000000000000 R08: ff29fcf78316d8d0 R09: ff29fcf7819c002c
[    5.723839] R10: ff29fcf7819b3118 R11: fefefefefefefeff R12: 0000000000000000
[    5.723877] R13: 0000000000000011 R14: ff29fcf7819b3000 R15: ff29fcf7830f7b00
[    5.723922] FS:  0000000000000000(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    5.723965] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.723997] CR2: 00007f3c4a222f98 CR3: 000000002a442004 CR4: 0000000000771ef0
[    5.724034] PKRU: 55555554
[    5.724049] Call Trace:
[    5.724063]  <TASK>
[    5.724077]  unregister_netdevice_many_notify+0x595/0xa40
[    5.724103]  default_device_exit_batch+0x328/0x3a0
[    5.724135]  ops_undo_list+0x10b/0x240
[    5.724155]  cleanup_net+0x1d7/0x2e0
[    5.724181]  process_one_work+0x162/0x360
[    5.724204]  worker_thread+0x16e/0x2d0
[    5.724224]  ? rescuer_thread+0x510/0x510
[    5.724247]  kthread+0xe1/0x120
[    5.724267]  ? kthread_park+0xa0/0xa0
[    5.724286]  ret_from_fork+0x16d/0x250
[    5.724307]  ? kthread_park+0xa0/0xa0
[    5.724326]  ret_from_fork_asm+0x11/0x20
[    5.724345]  </TASK>
[    5.724359] ---[ end trace 0000000000000000 ]---