[   38.256259] netconsole: network logging started
[   38.285558] ------------[ cut here ]------------
[   38.285637] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/836
[   38.285727] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.285810] CPU: 2 UID: 0 PID: 836 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.285907] Tainted: [W]=WARN
[   38.285986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.286066] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.286129] 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
[   38.286265] RSP: 0018:ff7008508027bcc8 EFLAGS: 00010286
[   38.286330] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   38.286408] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c18d3e00
[   38.286555] RBP: 0000000000000000 R08: ff154826c2aa0e50 R09: ff154826c30c502c
[   38.286635] R10: ff154826c2e7c118 R11: fefefefefefefeff R12: 0000000000000000
[   38.286713] R13: 0000000000000010 R14: ff154826c2e7c000 R15: ff154826c18d3e00
[   38.286797] FS:  00007f30d668c840(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000
[   38.286876] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.286948] CR2: 00007f30d688dc20 CR3: 0000000001949006 CR4: 0000000000771ef0
[   38.287027] PKRU: 55555554
[   38.287082] Call Trace:
[   38.287132]  <TASK>
[   38.287181]  rtmsg_ifinfo+0x3c/0xa0
[   38.287238]  register_netdevice+0x8e1/0xa70
[   38.287296]  register_netdev+0x1e/0x30
[   38.287353]  loopback_net_init+0x57/0xb0
[   38.287412]  ? vsock_sysctl_init_net+0xb6/0x140
[   38.287487]  ops_init+0x68/0x140
[   38.287545]  setup_net+0x85/0x150
[   38.287602]  copy_net_ns+0xf5/0x200
[   38.287660]  create_new_namespaces+0x117/0x2f0
[   38.287728]  unshare_nsproxy_namespaces+0x85/0xb0
[   38.287795]  ksys_unshare+0x346/0x5e0
[   38.287855]  __x64_sys_unshare+0x12/0x20
[   38.287913]  do_syscall_64+0x104/0xfc0
[   38.287971]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   38.288044] RIP: 0033:0x7f30d694ebcb
[   38.288101] 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
[   38.288234] RSP: 002b:00007ffc3ef14c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   38.288332] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f30d694ebcb
[   38.288410] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   38.288492] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   38.288570] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3ef16ec0
[   38.288647] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc3ef17849
[   38.288727]  </TASK>
[   38.288776] ---[ end trace 0000000000000000 ]---
[   38.291840] ------------[ cut here ]------------
[   38.291886] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/837
[   38.291952] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.291998] CPU: 3 UID: 0 PID: 837 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.292062] Tainted: [W]=WARN
[   38.292084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.292120] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.292149] 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
[   38.292248] RSP: 0018:ff7008508027b720 EFLAGS: 00010286
[   38.292278] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   38.292318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149800
[   38.292360] RBP: 0000000000000000 R08: ff154826c2aa0e50 R09: ff154826c758702c
[   38.292408] R10: ff154826c2e7c118 R11: fefefefefefefeff R12: 0000000000000000
[   38.292457] R13: 0000000000000010 R14: ff154826c2e7c000 R15: ff154826c3149800
[   38.292509] FS:  00007f6f5bdd9840(0000) GS:ff154827409da000(0000) knlGS:0000000000000000
[   38.292556] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.292593] CR2: 00000000321fc988 CR3: 0000000003374002 CR4: 0000000000771ef0
[   38.292635] PKRU: 55555554
[   38.292647] Call Trace:
[   38.292659]  <TASK>
[   38.292674]  rtmsg_ifinfo+0x3c/0xa0
[   38.292694]  __dev_notify_flags+0xb1/0xf0
[   38.292719]  ? rtnl_getlink+0x456/0x5e0
[   38.292740]  netif_change_flags+0x54/0x70
[   38.292760]  do_setlink.isra.0+0x390/0x1570
[   38.292783]  ? __nla_validate_parse+0x76/0xf20
[   38.292816]  rtnl_newlink+0x9c7/0xe10
[   38.292840]  ? kmalloc_reserve+0xa9/0x170
[   38.292861]  ? do_setlink.isra.0+0x1570/0x1570
[   38.292893]  rtnetlink_rcv_msg+0x39f/0x460
[   38.292919]  ? netlink_unicast+0x306/0x3a0
[   38.292942]  ? rtnl_calcit.isra.0+0x160/0x160
[   38.292973]  netlink_rcv_skb+0xca/0x140
[   38.292996]  netlink_unicast+0x26b/0x3a0
[   38.293014]  netlink_sendmsg+0x1e2/0x430
[   38.293039]  ____sys_sendmsg+0x14c/0x2b0
[   38.293064]  ___sys_sendmsg+0xe1/0x120
[   38.293091]  __sys_sendmsg+0xad/0x100
[   38.293114]  do_syscall_64+0x104/0xfc0
[   38.293138]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   38.293167] RIP: 0033:0x7f6f5c01308e
[   38.293188] 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
[   38.293288] RSP: 002b:00007fff1bfdbd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.293329] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6f5c01308e
[   38.293372] RDX: 0000000000000000 RSI: 00007fff1bfdbe20 RDI: 0000000000000005
[   38.293416] RBP: 00007fff1bfdbd80 R08: 0000000000000000 R09: 0000000000000000
[   38.293465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8bb
[   38.293505] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1bfdc4f0
[   38.293550]  </TASK>
[   38.293564] ---[ end trace 0000000000000000 ]---
[   38.302615] ------------[ cut here ]------------
[   38.302690] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/811
[   38.302778] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.302859] CPU: 2 UID: 0 PID: 811 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.302954] Tainted: [W]=WARN
[   38.303009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.303086] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.303150] 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
[   38.303288] RSP: 0018:ff700850806df9d0 EFLAGS: 00010286
[   38.303352] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   38.303439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c18d3a00
[   38.303530] RBP: 0000000000000000 R08: ff154826c2aa0d10 R09: ff154826c7583030
[   38.303607] R10: ff154826c203a118 R11: fefefefefefefeff R12: 0000000000000000
[   38.303684] R13: 0000000000000010 R14: ff154826c203a000 R15: ff154826c18d3a00
[   38.303768] FS:  00007f0b10401b80(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000
[   38.303848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.303918] CR2: 000055d9b13cc8e0 CR3: 0000000005289001 CR4: 0000000000771ef0
[   38.303997] PKRU: 55555554
[   38.304056] Call Trace:
[   38.304105]  <TASK>
[   38.304154]  rtmsg_ifinfo+0x3c/0xa0
[   38.304212]  register_netdevice+0x8e1/0xa70
[   38.304270]  nsim_create+0x3a9/0x3e0 [netdevsim]
[   38.304340]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[   38.304409]  nsim_drv_probe+0x667/0x760 [netdevsim]
[   38.304481]  really_probe+0xc9/0x290
[   38.304541]  ? driver_probe_device+0xe0/0xe0
[   38.304605]  __driver_probe_device+0x8d/0x160
[   38.304675]  driver_probe_device+0x1f/0xe0
[   38.304735]  __device_attach_driver+0x71/0x100
[   38.304800]  bus_for_each_drv+0x9d/0x100
[   38.304858]  __device_attach+0xb0/0x1b0
[   38.304916]  device_initial_probe+0x4a/0x70
[   38.304974]  bus_probe_device+0x3c/0xb0
[   38.305032]  device_add+0x675/0x8a0
[   38.305101]  new_device_store+0x19b/0x2b0 [netdevsim]
[   38.305168]  kernfs_fop_write_iter+0x151/0x200
[   38.305234]  vfs_write+0x257/0x5c0
[   38.305294]  ksys_write+0x7b/0x110
[   38.305352]  do_syscall_64+0x104/0xfc0
[   38.305410]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   38.305480] RIP: 0033:0x7f0b1047308e
[   38.305536] 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
[   38.305671] RSP: 002b:00007ffde80319e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   38.305753] RAX: ffffffffffffffda RBX: 00007f0b105f5580 RCX: 00007f0b1047308e
[   38.305831] RDX: 0000000000000004 RSI: 000055d9e641b3e0 RDI: 0000000000000001
[   38.305908] RBP: 00007ffde80319f0 R08: 0000000000000000 R09: 0000000000000000
[   38.305989] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   38.306072] R13: 0000000000000004 R14: 000055d9e641b3e0 R15: 0000000000000000
[   38.306150]  </TASK>
[   38.306199] ---[ end trace 0000000000000000 ]---
[   38.306494] ------------[ cut here ]------------
[   38.306579] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/811
[   38.306673] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.306761] CPU: 2 UID: 0 PID: 811 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.306857] Tainted: [W]=WARN
[   38.306912] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.306981] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.307054] 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
[   38.307192] RSP: 0018:ff700850806df9d0 EFLAGS: 00010286
[   38.307256] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   38.307336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149d00
[   38.307414] RBP: 0000000000000000 R08: ff154826c2ac38d0 R09: ff154826c7581030
[   38.307500] R10: ff154826c30f6118 R11: fefefefefefefeff R12: 0000000000000000
[   38.307577] R13: 0000000000000010 R14: ff154826c30f6000 R15: ff154826c3149d00
[   38.307659] FS:  00007f0b10401b80(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000
[   38.307740] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.307813] CR2: 000055d9b13cc8e0 CR3: 0000000005289001 CR4: 0000000000771ef0
[   38.307894] PKRU: 55555554
[   38.307943] Call Trace:
[   38.307992]  <TASK>
[   38.308054]  rtmsg_ifinfo+0x3c/0xa0
[   38.308111]  register_netdevice+0x8e1/0xa70
[   38.308169]  nsim_create+0x3a9/0x3e0 [netdevsim]
[   38.308236]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[   38.308303]  nsim_drv_probe+0x667/0x760 [netdevsim]
[   38.308369]  really_probe+0xc9/0x290
[   38.308714]  ? driver_probe_device+0xe0/0xe0
[   38.308782]  __driver_probe_device+0x8d/0x160
[   38.308848]  driver_probe_device+0x1f/0xe0
[   38.308908]  __device_attach_driver+0x71/0x100
[   38.308973]  bus_for_each_drv+0x9d/0x100
[   38.309030]  __device_attach+0xb0/0x1b0
[   38.309095]  device_initial_probe+0x4a/0x70
[   38.309153]  bus_probe_device+0x3c/0xb0
[   38.309210]  device_add+0x675/0x8a0
[   38.309268]  new_device_store+0x19b/0x2b0 [netdevsim]
[   38.309335]  kernfs_fop_write_iter+0x151/0x200
[   38.309400]  vfs_write+0x257/0x5c0
[   38.309464]  ksys_write+0x7b/0x110
[   38.309523]  do_syscall_64+0x104/0xfc0
[   38.309581]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   38.309646] RIP: 0033:0x7f0b1047308e
[   38.309702] 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
[   38.309839] RSP: 002b:00007ffde8031a10 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   38.309920] RAX: ffffffffffffffda RBX: 00007f0b105f5580 RCX: 00007f0b1047308e
[   38.310000] RDX: 0000000000000004 RSI: 000055d9e641b3e0 RDI: 0000000000000001
[   38.310083] RBP: 00007ffde8031a20 R08: 0000000000000000 R09: 0000000000000000
[   38.310161] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   38.310259] R13: 0000000000000004 R14: 000055d9e641b3e0 R15: 0000000000000000
[   38.310338]  </TASK>
[   38.310386] ---[ end trace 0000000000000000 ]---
[   38.350048] ------------[ cut here ]------------
[   38.350139] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/852
[   38.350231] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.350314] CPU: 2 UID: 0 PID: 852 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.350409] Tainted: [W]=WARN
[   38.350470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.350540] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.350606] 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
[   38.350742] RSP: 0018:ff700850803676d8 EFLAGS: 00010286
[   38.350806] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   38.350884] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149d00
[   38.350963] RBP: 0000000000000000 R08: ff154826c2aa0d10 R09: ff154826c522f030
[   38.351047] R10: ff154826c203a118 R11: fefefefefefefeff R12: ff7008508036778c
[   38.351122] R13: 0000000000000011 R14: ff154826c203a000 R15: ff154826c3149d00
[   38.351204] FS:  00007fa083cc7840(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000
[   38.351282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.351358] CR2: 0000000005300988 CR3: 000000000191e002 CR4: 0000000000771ef0
[   38.351445] PKRU: 55555554
[   38.351494] Call Trace:
[   38.351542]  <TASK>
[   38.351591]  rtmsg_ifinfo_newnet+0x33/0x70
[   38.351649]  __dev_change_net_namespace+0x407/0xc50
[   38.351713]  ? rtnl_getlink+0x459/0x5e0
[   38.351771]  do_setlink.isra.0+0xd7/0x1570
[   38.351831]  ? __nla_validate_parse+0x76/0xf20
[   38.351896]  rtnl_newlink+0x9c7/0xe10
[   38.351955]  ? kmalloc_reserve+0xa9/0x170
[   38.352014]  ? do_setlink.isra.0+0x1570/0x1570
[   38.352084]  rtnetlink_rcv_msg+0x39f/0x460
[   38.352142]  ? netlink_unicast+0x306/0x3a0
[   38.352200]  ? rtnl_calcit.isra.0+0x160/0x160
[   38.352265]  netlink_rcv_skb+0xca/0x140
[   38.352324]  netlink_unicast+0x26b/0x3a0
[   38.352382]  netlink_sendmsg+0x1e2/0x430
[   38.352446]  ____sys_sendmsg+0x14c/0x2b0
[   38.352506]  ___sys_sendmsg+0xe1/0x120
[   38.352564]  __sys_sendmsg+0xad/0x100
[   38.352621]  do_syscall_64+0x104/0xfc0
[   38.352679]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   38.352745] RIP: 0033:0x7fa083f0108e
[   38.352803] 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
[   38.352941] RSP: 002b:00007fff6297b2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.353019] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa083f0108e
[   38.353106] RDX: 0000000000000000 RSI: 00007fff6297b380 RDI: 0000000000000005
[   38.353183] RBP: 00007fff6297b2e0 R08: 0000000000000000 R09: 0000000000000000
[   38.353262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8bb
[   38.353340] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6297ba40
[   38.353419]  </TASK>
[   38.353475] ---[ end trace 0000000000000000 ]---
[   38.353586] ------------[ cut here ]------------
[   38.353647] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/852
[   38.353734] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.353815] CPU: 2 UID: 0 PID: 852 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.353911] Tainted: [W]=WARN
[   38.353967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.354043] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.354107] 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
[   38.354242] RSP: 0018:ff700850803676c8 EFLAGS: 00010286
[   38.354307] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   38.354383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149f00
[   38.354468] RBP: 0000000000000000 R08: ff154826c2aa0d10 R09: ff154826c7581030
[   38.354545] R10: ff154826c203a118 R11: fefefefefefefeff R12: 0000000000000000
[   38.354621] R13: 0000000000000010 R14: ff154826c203a000 R15: ff154826c3149f00
[   38.354704] FS:  00007fa083cc7840(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000
[   38.354784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.354854] CR2: 0000000005300988 CR3: 000000000191e002 CR4: 0000000000771ef0
[   38.354934] PKRU: 55555554
[   38.354983] Call Trace:
[   38.355032]  <TASK>
[   38.355089]  rtmsg_ifinfo+0x3c/0xa0
[   38.355148]  __dev_change_net_namespace+0x22e/0xc50
[   38.355213]  ? rtnl_getlink+0x459/0x5e0
[   38.355270]  do_setlink.isra.0+0xd7/0x1570
[   38.355334]  ? __nla_validate_parse+0x76/0xf20
[   38.355399]  rtnl_newlink+0x9c7/0xe10
[   38.355463]  ? kmalloc_reserve+0xa9/0x170
[   38.355522]  ? do_setlink.isra.0+0x1570/0x1570
[   38.355587]  rtnetlink_rcv_msg+0x39f/0x460
[   38.355646]  ? netlink_unicast+0x306/0x3a0
[   38.355704]  ? rtnl_calcit.isra.0+0x160/0x160
[   38.355770]  netlink_rcv_skb+0xca/0x140
[   38.355829]  netlink_unicast+0x26b/0x3a0
[   38.355887]  netlink_sendmsg+0x1e2/0x430
[   38.355946]  ____sys_sendmsg+0x14c/0x2b0
[   38.356004]  ___sys_sendmsg+0xe1/0x120
[   38.356070]  __sys_sendmsg+0xad/0x100
[   38.356128]  do_syscall_64+0x104/0xfc0
[   38.356186]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   38.356251] RIP: 0033:0x7fa083f0108e
[   38.356308] 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
[   38.356453] RSP: 002b:00007fff6297b2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.356555] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa083f0108e
[   38.356641] RDX: 0000000000000000 RSI: 00007fff6297b380 RDI: 0000000000000005
[   38.356719] RBP: 00007fff6297b2e0 R08: 0000000000000000 R09: 0000000000000000
[   38.356797] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8bb
[   38.356874] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6297ba40
[   38.356953]  </TASK>
[   38.357002] ---[ end trace 0000000000000000 ]---
[   38.368328] ------------[ cut here ]------------
[   38.368373] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/854
[   38.368435] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.368483] CPU: 3 UID: 0 PID: 854 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.368544] Tainted: [W]=WARN
[   38.368569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.368602] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.368632] 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
[   38.368730] RSP: 0018:ff7008508036f720 EFLAGS: 00010286
[   38.368761] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   38.368806] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149800
[   38.368849] RBP: 0000000000000000 R08: ff154826c2aa0d10 R09: ff154826c7587030
[   38.368893] R10: ff154826c203a118 R11: fefefefefefefeff R12: 0000000000000000
[   38.368938] R13: 0000000000000010 R14: ff154826c203a000 R15: ff154826c3149800
[   38.368984] FS:  00007f4110537840(0000) GS:ff154827409da000(0000) knlGS:0000000000000000
[   38.369040] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.369075] CR2: 0000000024c08988 CR3: 0000000007589005 CR4: 0000000000771ef0
[   38.369117] PKRU: 55555554
[   38.369132] Call Trace:
[   38.369147]  <TASK>
[   38.369165]  rtmsg_ifinfo+0x3c/0xa0
[   38.369189]  __dev_notify_flags+0xb1/0xf0
[   38.369214]  ? rtnl_getlink+0x456/0x5e0
[   38.369242]  netif_change_flags+0x54/0x70
[   38.369265]  do_setlink.isra.0+0x390/0x1570
[   38.369287]  ? __nla_validate_parse+0x76/0xf20
[   38.369317]  rtnl_newlink+0x9c7/0xe10
[   38.369339]  ? kmalloc_reserve+0xa9/0x170
[   38.369361]  ? do_setlink.isra.0+0x1570/0x1570
[   38.369390]  rtnetlink_rcv_msg+0x39f/0x460
[   38.369411]  ? netlink_unicast+0x306/0x3a0
[   38.369438]  ? rtnl_calcit.isra.0+0x160/0x160
[   38.369468]  netlink_rcv_skb+0xca/0x140
[   38.369493]  netlink_unicast+0x26b/0x3a0
[   38.369519]  netlink_sendmsg+0x1e2/0x430
[   38.369540]  ____sys_sendmsg+0x14c/0x2b0
[   38.369561]  ___sys_sendmsg+0xe1/0x120
[   38.369583]  __sys_sendmsg+0xad/0x100
[   38.369606]  do_syscall_64+0x104/0xfc0
[   38.369629]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   38.369657] RIP: 0033:0x7f411077108e
[   38.369681] 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
[   38.369777] RSP: 002b:00007fffb13a9170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.369825] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f411077108e
[   38.369865] RDX: 0000000000000000 RSI: 00007fffb13a9220 RDI: 0000000000000005
[   38.369908] RBP: 00007fffb13a9180 R08: 0000000000000000 R09: 0000000000000000
[   38.369949] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8bb
[   38.369991] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb13a98e0
[   38.370039]  </TASK>
[   38.370054] ---[ end trace 0000000000000000 ]---
[   38.375943] ------------[ cut here ]------------
[   38.375982] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/856
[   38.376040] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.376087] CPU: 3 UID: 0 PID: 856 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.376153] Tainted: [W]=WARN
[   38.376174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.376208] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.376240] 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
[   38.376341] RSP: 0018:ff7008508037f720 EFLAGS: 00010286
[   38.376373] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   38.376415] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c18d3d00
[   38.376465] RBP: 0000000000000000 R08: ff154826c2ac38d0 R09: ff154826c7587030
[   38.376505] R10: ff154826c30f6118 R11: fefefefefefefeff R12: 0000000000000000
[   38.376548] R13: 0000000000000010 R14: ff154826c30f6000 R15: ff154826c18d3d00
[   38.376597] FS:  00007fb67d2df840(0000) GS:ff154827409da000(0000) knlGS:0000000000000000
[   38.376644] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.376678] CR2: 00000000228c7988 CR3: 0000000007589002 CR4: 0000000000771ef0
[   38.376720] PKRU: 55555554
[   38.376735] Call Trace:
[   38.376749]  <TASK>
[   38.376763]  rtmsg_ifinfo+0x3c/0xa0
[   38.376787]  __dev_notify_flags+0xb1/0xf0
[   38.376811]  ? rtnl_getlink+0x456/0x5e0
[   38.376833]  netif_change_flags+0x54/0x70
[   38.376853]  do_setlink.isra.0+0x390/0x1570
[   38.376877]  ? __nla_validate_parse+0x76/0xf20
[   38.376907]  rtnl_newlink+0x9c7/0xe10
[   38.376930]  ? kmalloc_reserve+0xa9/0x170
[   38.376954]  ? do_setlink.isra.0+0x1570/0x1570
[   38.376983]  rtnetlink_rcv_msg+0x39f/0x460
[   38.377006]  ? netlink_unicast+0x306/0x3a0
[   38.377029]  ? rtnl_calcit.isra.0+0x160/0x160
[   38.377058]  netlink_rcv_skb+0xca/0x140
[   38.377081]  netlink_unicast+0x26b/0x3a0
[   38.377103]  netlink_sendmsg+0x1e2/0x430
[   38.377126]  ____sys_sendmsg+0x14c/0x2b0
[   38.377148]  ___sys_sendmsg+0xe1/0x120
[   38.377170]  __sys_sendmsg+0xad/0x100
[   38.377195]  do_syscall_64+0x104/0xfc0
[   38.377221]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   38.377251] RIP: 0033:0x7fb67d51908e
[   38.377271] 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
[   38.377371] RSP: 002b:00007ffffb3e1920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.377414] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb67d51908e
[   38.377465] RDX: 0000000000000000 RSI: 00007ffffb3e19d0 RDI: 0000000000000005
[   38.377510] RBP: 00007ffffb3e1930 R08: 0000000000000000 R09: 0000000000000000
[   38.377551] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c8bb
[   38.377595] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffb3e2090
[   38.377638]  </TASK>
[   38.377653] ---[ end trace 0000000000000000 ]---
[   38.384314] ------------[ cut here ]------------
[   38.384383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/811
[   38.384491] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.384587] CPU: 2 UID: 0 PID: 811 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.384692] Tainted: [W]=WARN
[   38.384759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.384832] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.384906] 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
[   38.385063] RSP: 0018:ff700850806dfb18 EFLAGS: 00010286
[   38.385140] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   38.385228] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149f00
[   38.385312] RBP: 0000000000000000 R08: ff154826c2aa0d10 R09: ff154826c7581030
[   38.385394] R10: ff154826c203a118 R11: fefefefefefefeff R12: 0000000000000000
[   38.385486] R13: 0000000000000010 R14: ff154826c203a000 R15: ff154826c3149f00
[   38.385575] FS:  00007f0b10401b80(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000
[   38.385673] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.385758] CR2: 000055d9e640a2dc CR3: 0000000005289005 CR4: 0000000000771ef0
[   38.385846] PKRU: 55555554
[   38.385904] Call Trace:
[   38.385952]  <TASK>
[   38.386010]  rtmsg_ifinfo+0x3c/0xa0
[   38.386080]  netif_close_many+0xed/0x190
[   38.386147]  unregister_netdevice_many_notify+0x118/0xa40
[   38.386215]  ? __destroy_inode+0x1a/0xc0
[   38.386272]  unregister_netdevice_queue+0x9e/0xd0
[   38.386336]  nsim_destroy+0x91/0x200 [netdevsim]
[   38.386413]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[   38.386488]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[   38.386553]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[   38.386627]  device_release_driver_internal+0x19a/0x200
[   38.386707]  bus_remove_device+0xed/0x1b0
[   38.386782]  ? device_remove_attrs+0xb3/0x100
[   38.386849]  device_del+0x158/0x450
[   38.386908]  device_unregister+0x12/0x30
[   38.386974]  del_device_store+0x122/0x190 [netdevsim]
[   38.387049]  kernfs_fop_write_iter+0x151/0x200
[   38.387114]  vfs_write+0x257/0x5c0
[   38.387174]  ksys_write+0x7b/0x110
[   38.387239]  do_syscall_64+0x104/0xfc0
[   38.387307]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   38.387380] RIP: 0033:0x7f0b1047308e
[   38.387453] 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
[   38.387608] RSP: 002b:00007ffde8032970 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   38.387696] RAX: ffffffffffffffda RBX: 00007f0b105f5580 RCX: 00007f0b1047308e
[   38.387786] RDX: 0000000000000004 RSI: 000055d9e641b3e0 RDI: 0000000000000001
[   38.387871] RBP: 00007ffde8032980 R08: 0000000000000000 R09: 0000000000000000
[   38.387949] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   38.388032] R13: 0000000000000004 R14: 000055d9e641b3e0 R15: 0000000000000000
[   38.388125]  </TASK>
[   38.388182] ---[ end trace 0000000000000000 ]---
[   38.388346] ------------[ cut here ]------------
[   38.388415] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/811
[   38.388522] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.388603] CPU: 2 UID: 0 PID: 811 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.388705] Tainted: [W]=WARN
[   38.388771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.388853] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.388926] 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
[   38.389086] RSP: 0018:ff700850806dfb88 EFLAGS: 00010286
[   38.389157] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   38.389240] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149f00
[   38.389317] RBP: 0000000000000000 R08: ff154826c2aa0d10 R09: ff154826c646e830
[   38.389396] R10: ff154826c203a118 R11: fefefefefefefeff R12: 0000000000000000
[   38.389477] R13: 0000000000000011 R14: ff154826c203a000 R15: ff154826c3149f00
[   38.389565] FS:  00007f0b10401b80(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000
[   38.389645] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.389716] CR2: 000055d9e640a2dc CR3: 0000000005289005 CR4: 0000000000771ef0
[   38.389804] PKRU: 55555554
[   38.389861] Call Trace:
[   38.389910]  <TASK>
[   38.389960]  unregister_netdevice_many_notify+0x595/0xa40
[   38.390062]  unregister_netdevice_queue+0x9e/0xd0
[   38.390127]  nsim_destroy+0x91/0x200 [netdevsim]
[   38.390199]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[   38.390271]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[   38.390351]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[   38.390415]  device_release_driver_internal+0x19a/0x200
[   38.390490]  bus_remove_device+0xed/0x1b0
[   38.390552]  ? device_remove_attrs+0xb3/0x100
[   38.390634]  device_del+0x158/0x450
[   38.390693]  device_unregister+0x12/0x30
[   38.390753]  del_device_store+0x122/0x190 [netdevsim]
[   38.390833]  kernfs_fop_write_iter+0x151/0x200
[   38.390899]  vfs_write+0x257/0x5c0
[   38.390957]  ksys_write+0x7b/0x110
[   38.391014]  do_syscall_64+0x104/0xfc0
[   38.391076]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   38.391140] RIP: 0033:0x7f0b1047308e
[   38.391196] 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
[   38.391331] RSP: 002b:00007ffde8032970 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   38.391409] RAX: ffffffffffffffda RBX: 00007f0b105f5580 RCX: 00007f0b1047308e
[   38.391492] RDX: 0000000000000004 RSI: 000055d9e641b3e0 RDI: 0000000000000001
[   38.391572] RBP: 00007ffde8032980 R08: 0000000000000000 R09: 0000000000000000
[   38.391650] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   38.391728] R13: 0000000000000004 R14: 000055d9e641b3e0 R15: 0000000000000000
[   38.391806]  </TASK>
[   38.391855] ---[ end trace 0000000000000000 ]---
[   38.415122] ------------[ cut here ]------------
[   38.415238] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/811
[   38.415327] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.415407] CPU: 2 UID: 0 PID: 811 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.415508] Tainted: [W]=WARN
[   38.415563] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.415632] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.415696] 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
[   38.415828] RSP: 0018:ff700850806dfb18 EFLAGS: 00010286
[   38.415892] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   38.415971] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149f00
[   38.416057] RBP: 0000000000000000 R08: ff154826c2ac38d0 R09: ff154826c30c5030
[   38.416136] R10: ff154826c30f6118 R11: fefefefefefefeff R12: 0000000000000000
[   38.416214] R13: 0000000000000010 R14: ff154826c30f6000 R15: ff154826c3149f00
[   38.416298] FS:  00007f0b10401b80(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000
[   38.416377] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.416454] CR2: 000055d9e640a2dc CR3: 0000000005289005 CR4: 0000000000771ef0
[   38.416535] PKRU: 55555554
[   38.416584] Call Trace:
[   38.416633]  <TASK>
[   38.416682]  rtmsg_ifinfo+0x3c/0xa0
[   38.416742]  netif_close_many+0xed/0x190
[   38.416800]  unregister_netdevice_many_notify+0x118/0xa40
[   38.416867]  ? __destroy_inode+0x1a/0xc0
[   38.416924]  unregister_netdevice_queue+0x9e/0xd0
[   38.416988]  nsim_destroy+0x91/0x200 [netdevsim]
[   38.417062]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[   38.417126]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[   38.417192]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[   38.417257]  device_release_driver_internal+0x19a/0x200
[   38.417323]  bus_remove_device+0xed/0x1b0
[   38.417381]  ? device_remove_attrs+0xb3/0x100
[   38.417456]  device_del+0x158/0x450
[   38.417515]  device_unregister+0x12/0x30
[   38.417574]  del_device_store+0x122/0x190 [netdevsim]
[   38.417640]  kernfs_fop_write_iter+0x151/0x200
[   38.417705]  vfs_write+0x257/0x5c0
[   38.417765]  ksys_write+0x7b/0x110
[   38.417822]  do_syscall_64+0x104/0xfc0
[   38.417879]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   38.417942] RIP: 0033:0x7f0b1047308e
[   38.417998] 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
[   38.418143] RSP: 002b:00007ffde8032a70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   38.418221] RAX: ffffffffffffffda RBX: 00007f0b105f5580 RCX: 00007f0b1047308e
[   38.418298] RDX: 0000000000000004 RSI: 000055d9e641b3e0 RDI: 0000000000000001
[   38.418376] RBP: 00007ffde8032a80 R08: 0000000000000000 R09: 0000000000000000
[   38.418472] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   38.418550] R13: 0000000000000004 R14: 000055d9e641b3e0 R15: 0000000000000000
[   38.418631]  </TASK>
[   38.418679] ---[ end trace 0000000000000000 ]---
[   38.418799] ------------[ cut here ]------------
[   38.418863] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/811
[   38.418950] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.419032] CPU: 2 UID: 0 PID: 811 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.419138] Tainted: [W]=WARN
[   38.419193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.419264] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.419330] 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
[   38.419473] RSP: 0018:ff700850806dfb88 EFLAGS: 00010286
[   38.419536] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   38.419615] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c3149f00
[   38.419694] RBP: 0000000000000000 R08: ff154826c2ac38d0 R09: ff154826c522c830
[   38.419773] R10: ff154826c30f6118 R11: fefefefefefefeff R12: 0000000000000000
[   38.419853] R13: 0000000000000011 R14: ff154826c30f6000 R15: ff154826c3149f00
[   38.419937] FS:  00007f0b10401b80(0000) GS:ff1548274095a000(0000) knlGS:0000000000000000
[   38.420017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.420098] CR2: 000055d9e640a2dc CR3: 0000000005289005 CR4: 0000000000771ef0
[   38.420181] PKRU: 55555554
[   38.420229] Call Trace:
[   38.420277]  <TASK>
[   38.420326]  unregister_netdevice_many_notify+0x595/0xa40
[   38.420391]  unregister_netdevice_queue+0x9e/0xd0
[   38.420462]  nsim_destroy+0x91/0x200 [netdevsim]
[   38.420531]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[   38.420596]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[   38.420661]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[   38.420726]  device_release_driver_internal+0x19a/0x200
[   38.420791]  bus_remove_device+0xed/0x1b0
[   38.420849]  ? device_remove_attrs+0xb3/0x100
[   38.420917]  device_del+0x158/0x450
[   38.420974]  device_unregister+0x12/0x30
[   38.421031]  del_device_store+0x122/0x190 [netdevsim]
[   38.421104]  kernfs_fop_write_iter+0x151/0x200
[   38.421170]  vfs_write+0x257/0x5c0
[   38.421227]  ksys_write+0x7b/0x110
[   38.421284]  do_syscall_64+0x104/0xfc0
[   38.421342]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   38.421405] RIP: 0033:0x7f0b1047308e
[   38.421468] 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
[   38.421606] RSP: 002b:00007ffde8032a70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   38.421686] RAX: ffffffffffffffda RBX: 00007f0b105f5580 RCX: 00007f0b1047308e
[   38.421769] RDX: 0000000000000004 RSI: 000055d9e641b3e0 RDI: 0000000000000001
[   38.421847] RBP: 00007ffde8032a80 R08: 0000000000000000 R09: 0000000000000000
[   38.421926] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   38.422004] R13: 0000000000000004 R14: 000055d9e641b3e0 R15: 0000000000000000
[   38.422090]  </TASK>
[   38.422139] ---[ end trace 0000000000000000 ]---
[   38.458716] ------------[ cut here ]------------
[   38.458756] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/64
[   38.458817] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.458865] CPU: 0 UID: 0 PID: 64 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.458927] Tainted: [W]=WARN
[   38.458950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.458992] Workqueue: netns cleanup_net
[   38.459016] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.459048] 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
[   38.459153] RSP: 0018:ff70085080237c08 EFLAGS: 00010286
[   38.459184] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   38.459227] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c2a83100
[   38.459270] RBP: 0000000000000000 R08: ff154826c2aa0e50 R09: ff154826c646202c
[   38.459312] R10: ff154826c2e7c118 R11: fefefefefefefeff R12: 0000000000000000
[   38.459357] R13: 0000000000000010 R14: ff154826c2e7c000 R15: ff154826c2a83100
[   38.459409] FS:  0000000000000000(0000) GS:ff1548274085a000(0000) knlGS:0000000000000000
[   38.459458] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.459494] CR2: 00007f0b10612f98 CR3: 000000003be42004 CR4: 0000000000771ef0
[   38.459544] PKRU: 55555554
[   38.459557] Call Trace:
[   38.459574]  <TASK>
[   38.459588]  rtmsg_ifinfo+0x3c/0xa0
[   38.459609]  netif_close_many+0xed/0x190
[   38.459633]  unregister_netdevice_many_notify+0x215/0xa40
[   38.459666]  default_device_exit_batch+0x328/0x3a0
[   38.459693]  ops_undo_list+0x10b/0x240
[   38.459717]  cleanup_net+0x1d7/0x2e0
[   38.459741]  process_one_work+0x162/0x360
[   38.459765]  worker_thread+0x16e/0x2d0
[   38.459788]  ? rescuer_thread+0x510/0x510
[   38.459812]  kthread+0xe1/0x120
[   38.459835]  ? kthread_park+0xa0/0xa0
[   38.459861]  ret_from_fork+0x16d/0x250
[   38.459886]  ? kthread_park+0xa0/0xa0
[   38.459909]  ret_from_fork_asm+0x11/0x20
[   38.459932]  </TASK>
[   38.459945] ---[ end trace 0000000000000000 ]---
[   38.460202] ------------[ cut here ]------------
[   38.460231] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: kworker/u16:1/64
[   38.460291] Modules linked in: netconsole netdevsim [last unloaded: netdevsim]
[   38.460339] CPU: 0 UID: 0 PID: 64 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[   38.460397] Tainted: [W]=WARN
[   38.460420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.460462] Workqueue: netns cleanup_net
[   38.460484] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[   38.460514] 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
[   38.460617] RSP: 0018:ff70085080237c78 EFLAGS: 00010286
[   38.460646] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   38.460689] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff154826c2a83100
[   38.460734] RBP: 0000000000000000 R08: ff154826c2aa0e50 R09: ff154826c203702c
[   38.460778] R10: ff154826c2e7c118 R11: fefefefefefefeff R12: 0000000000000000
[   38.460815] R13: 0000000000000011 R14: ff154826c2e7c000 R15: ff154826c2a83100
[   38.460862] FS:  0000000000000000(0000) GS:ff1548274085a000(0000) knlGS:0000000000000000
[   38.460899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.460939] CR2: 00007fccd1adb9dc CR3: 000000003be42004 CR4: 0000000000771ef0
[   38.460987] PKRU: 55555554
[   38.461001] Call Trace:
[   38.461016]  <TASK>
[   38.461029]  unregister_netdevice_many_notify+0x595/0xa40
[   38.461061]  default_device_exit_batch+0x328/0x3a0
[   38.461088]  ops_undo_list+0x10b/0x240
[   38.461110]  cleanup_net+0x1d7/0x2e0
[   38.461130]  process_one_work+0x162/0x360
[   38.461153]  worker_thread+0x16e/0x2d0
[   38.461175]  ? rescuer_thread+0x510/0x510
[   38.461196]  kthread+0xe1/0x120
[   38.461215]  ? kthread_park+0xa0/0xa0
[   38.461235]  ret_from_fork+0x16d/0x250
[   38.461258]  ? kthread_park+0xa0/0xa0
[   38.461280]  ret_from_fork_asm+0x11/0x20
[   38.461302]  </TASK>
[   38.461317] ---[ end trace 0000000000000000 ]---