[    6.889559] ------------[ cut here ]------------
[    6.889606] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/2303
[    6.889660] Modules linked in: netdevsim [last unloaded: netconsole]
[    6.889699] CPU: 0 UID: 0 PID: 2303 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.889757] Tainted: [W]=WARN
[    6.889779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.889814] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.889843] 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
[    6.889954] RSP: 0018:ff835a92c090bcc8 EFLAGS: 00010286
[    6.889984] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.890028] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783071000
[    6.890063] RBP: 0000000000000000 R08: ff29fcf783010490 R09: ff29fcf78513c02c
[    6.890108] R10: ff29fcf785195118 R11: fefefefefefefeff R12: 0000000000000000
[    6.890152] R13: 0000000000000010 R14: ff29fcf785195000 R15: ff29fcf783071000
[    6.890200] FS:  00007f7601545840(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    6.890241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.890276] CR2: 00007f7601751690 CR3: 0000000001856006 CR4: 0000000000771ef0
[    6.890321] PKRU: 55555554
[    6.890336] Call Trace:
[    6.890350]  <TASK>
[    6.890364]  rtmsg_ifinfo+0x3c/0xa0
[    6.890386]  register_netdevice+0x8e1/0xa70
[    6.890409]  register_netdev+0x1e/0x30
[    6.890430]  loopback_net_init+0x57/0xb0
[    6.890453]  ? vsock_sysctl_init_net+0xb6/0x140
[    6.890484]  ops_init+0x68/0x140
[    6.890506]  setup_net+0x85/0x150
[    6.890525]  copy_net_ns+0xf5/0x200
[    6.890549]  create_new_namespaces+0x117/0x2f0
[    6.890581]  unshare_nsproxy_namespaces+0x85/0xb0
[    6.890607]  ksys_unshare+0x346/0x5e0
[    6.890632]  __x64_sys_unshare+0x12/0x20
[    6.890653]  do_syscall_64+0x104/0xfc0
[    6.890675]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.890703] RIP: 0033:0x7f7601807bcb
[    6.890723] 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
[    6.890818] RSP: 002b:00007ffd61a1edc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.890861] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7601807bcb
[    6.890910] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    6.890954] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    6.890994] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd61a20ff0
[    6.891034] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd61a22847
[    6.891077]  </TASK>
[    6.891092] ---[ end trace 0000000000000000 ]---
[    6.893924] ------------[ cut here ]------------
[    6.893964] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2304
[    6.894023] Modules linked in: netdevsim [last unloaded: netconsole]
[    6.894067] CPU: 3 UID: 0 PID: 2304 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.894122] Tainted: [W]=WARN
[    6.894142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.894177] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.894206] 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
[    6.894304] RSP: 0018:ff835a92c090b720 EFLAGS: 00010286
[    6.894333] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    6.894373] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c38400
[    6.894415] RBP: 0000000000000000 R08: ff29fcf783010490 R09: ff29fcf7819b602c
[    6.894456] R10: ff29fcf785195118 R11: fefefefefefefeff R12: 0000000000000000
[    6.894498] R13: 0000000000000010 R14: ff29fcf785195000 R15: ff29fcf781c38400
[    6.894545] FS:  00007f76be5c0840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    6.894594] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.894628] CR2: 00007f76be8901a0 CR3: 0000000006807005 CR4: 0000000000771ef0
[    6.894664] PKRU: 55555554
[    6.894678] Call Trace:
[    6.894692]  <TASK>
[    6.894707]  rtmsg_ifinfo+0x3c/0xa0
[    6.894729]  __dev_notify_flags+0xb1/0xf0
[    6.894753]  ? rtnl_getlink+0x456/0x5e0
[    6.894772]  netif_change_flags+0x54/0x70
[    6.894794]  do_setlink.isra.0+0x390/0x1570
[    6.894817]  ? __nla_validate_parse+0x76/0xf20
[    6.894841]  rtnl_newlink+0x9c7/0xe10
[    6.894865]  ? kmalloc_reserve+0xa9/0x170
[    6.894884]  ? do_setlink.isra.0+0x1570/0x1570
[    6.894919]  rtnetlink_rcv_msg+0x39f/0x460
[    6.894946]  ? netlink_unicast+0x306/0x3a0
[    6.894966]  ? rtnl_calcit.isra.0+0x160/0x160
[    6.894995]  netlink_rcv_skb+0xca/0x140
[    6.895022]  netlink_unicast+0x26b/0x3a0
[    6.895046]  netlink_sendmsg+0x1e2/0x430
[    6.895069]  ____sys_sendmsg+0x14c/0x2b0
[    6.895095]  ___sys_sendmsg+0xe1/0x120
[    6.895117]  __sys_sendmsg+0xad/0x100
[    6.895136]  do_syscall_64+0x104/0xfc0
[    6.895159]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.895189] RIP: 0033:0x7f76be7fa08e
[    6.895210] 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
[    6.895306] RSP: 002b:00007ffccd2c7800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    6.895347] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f76be7fa08e
[    6.895391] RDX: 0000000000000000 RSI: 00007ffccd2c78b0 RDI: 0000000000000005
[    6.895432] RBP: 00007ffccd2c7810 R08: 0000000000000000 R09: 0000000000000000
[    6.895474] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db72
[    6.895522] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccd2c7f80
[    6.895567]  </TASK>
[    6.895582] ---[ end trace 0000000000000000 ]---
[    6.903081] ------------[ cut here ]------------
[    6.903115] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2286
[    6.903170] Modules linked in: netdevsim [last unloaded: netconsole]
[    6.903207] CPU: 0 UID: 0 PID: 2286 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.903268] Tainted: [W]=WARN
[    6.903291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.903333] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.903362] 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
[    6.903465] RSP: 0018:ff835a92c17c39d0 EFLAGS: 00010286
[    6.903495] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.903536] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7200
[    6.903578] RBP: 0000000000000000 R08: ff29fcf78321aa50 R09: ff29fcf7819b7030
[    6.903621] R10: ff29fcf787444118 R11: fefefefefefefeff R12: 0000000000000000
[    6.903664] R13: 0000000000000010 R14: ff29fcf787444000 R15: ff29fcf7830f7200
[    6.903705] FS:  00007f85b66ffb80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    6.903748] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.903788] CR2: 00005637c45e58e0 CR3: 0000000006800001 CR4: 0000000000771ef0
[    6.903831] PKRU: 55555554
[    6.903846] Call Trace:
[    6.903861]  <TASK>
[    6.903877]  rtmsg_ifinfo+0x3c/0xa0
[    6.903902]  register_netdevice+0x8e1/0xa70
[    6.903930]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    6.903967]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    6.904000]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    6.904031]  really_probe+0xc9/0x290
[    6.904054]  ? driver_probe_device+0xe0/0xe0
[    6.904084]  __driver_probe_device+0x8d/0x160
[    6.904113]  driver_probe_device+0x1f/0xe0
[    6.904134]  __device_attach_driver+0x71/0x100
[    6.904164]  bus_for_each_drv+0x9d/0x100
[    6.904186]  __device_attach+0xb0/0x1b0
[    6.904209]  device_initial_probe+0x4a/0x70
[    6.904229]  bus_probe_device+0x3c/0xb0
[    6.904252]  device_add+0x675/0x8a0
[    6.904274]  new_device_store+0x19b/0x2b0 [netdevsim]
[    6.904302]  kernfs_fop_write_iter+0x151/0x200
[    6.904332]  vfs_write+0x257/0x5c0
[    6.904353]  ksys_write+0x7b/0x110
[    6.904373]  do_syscall_64+0x104/0xfc0
[    6.904397]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.904424] RIP: 0033:0x7f85b677108e
[    6.904449] 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
[    6.904546] RSP: 002b:00007ffd43077eb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    6.904590] RAX: ffffffffffffffda RBX: 00007f85b68f3580 RCX: 00007f85b677108e
[    6.904634] RDX: 0000000000000004 RSI: 00005637e4911250 RDI: 0000000000000001
[    6.904676] RBP: 00007ffd43077ec0 R08: 0000000000000000 R09: 0000000000000000
[    6.904723] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    6.904768] R13: 0000000000000004 R14: 00005637e4911250 R15: 0000000000000000
[    6.904813]  </TASK>
[    6.904829] ---[ end trace 0000000000000000 ]---
[    6.905167] ------------[ cut here ]------------
[    6.905198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/2286
[    6.905258] Modules linked in: netdevsim [last unloaded: netconsole]
[    6.905300] CPU: 0 UID: 0 PID: 2286 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.905359] Tainted: [W]=WARN
[    6.905381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.905414] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.905441] 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
[    6.905543] RSP: 0018:ff835a92c17c39d0 EFLAGS: 00010286
[    6.905574] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.905622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7300
[    6.905662] RBP: 0000000000000000 R08: ff29fcf783220090 R09: ff29fcf7819b5030
[    6.905709] R10: ff29fcf78512a118 R11: fefefefefefefeff R12: 0000000000000000
[    6.905753] R13: 0000000000000010 R14: ff29fcf78512a000 R15: ff29fcf7830f7300
[    6.905789] FS:  00007f85b66ffb80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    6.905833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.905869] CR2: 00005637c45e58e0 CR3: 0000000006800001 CR4: 0000000000771ef0
[    6.905916] PKRU: 55555554
[    6.905935] Call Trace:
[    6.905948]  <TASK>
[    6.905961]  rtmsg_ifinfo+0x3c/0xa0
[    6.905982]  register_netdevice+0x8e1/0xa70
[    6.906002]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    6.906033]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    6.906060]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    6.906092]  really_probe+0xc9/0x290
[    6.906113]  ? driver_probe_device+0xe0/0xe0
[    6.906142]  __driver_probe_device+0x8d/0x160
[    6.906168]  driver_probe_device+0x1f/0xe0
[    6.906188]  __device_attach_driver+0x71/0x100
[    6.906217]  bus_for_each_drv+0x9d/0x100
[    6.906240]  __device_attach+0xb0/0x1b0
[    6.906263]  device_initial_probe+0x4a/0x70
[    6.906286]  bus_probe_device+0x3c/0xb0
[    6.906308]  device_add+0x675/0x8a0
[    6.906327]  new_device_store+0x19b/0x2b0 [netdevsim]
[    6.906357]  kernfs_fop_write_iter+0x151/0x200
[    6.906387]  vfs_write+0x257/0x5c0
[    6.906410]  ksys_write+0x7b/0x110
[    6.906431]  do_syscall_64+0x104/0xfc0
[    6.906453]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.906483] RIP: 0033:0x7f85b677108e
[    6.906506] 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
[    6.906604] RSP: 002b:00007ffd43077ee0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    6.906647] RAX: ffffffffffffffda RBX: 00007f85b68f3580 RCX: 00007f85b677108e
[    6.906694] RDX: 0000000000000004 RSI: 00005637e4911250 RDI: 0000000000000001
[    6.906735] RBP: 00007ffd43077ef0 R08: 0000000000000000 R09: 0000000000000000
[    6.906777] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    6.906820] R13: 0000000000000004 R14: 00005637e4911250 R15: 0000000000000000
[    6.906864]  </TASK>
[    6.906879] ---[ end trace 0000000000000000 ]---
[    6.938939] ------------[ cut here ]------------
[    6.938995] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2318
[    6.939047] Modules linked in: netdevsim [last unloaded: netconsole]
[    6.939092] CPU: 3 UID: 0 PID: 2318 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.939149] Tainted: [W]=WARN
[    6.939171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.939213] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.939243] 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
[    6.939339] RSP: 0018:ff835a92c08d36d8 EFLAGS: 00010286
[    6.939363] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.939404] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c36b00
[    6.939448] RBP: 0000000000000000 R08: ff29fcf78321aa50 R09: ff29fcf788421030
[    6.939492] R10: ff29fcf787444118 R11: fefefefefefefeff R12: ff835a92c08d378c
[    6.939535] R13: 0000000000000011 R14: ff29fcf787444000 R15: ff29fcf781c36b00
[    6.939577] FS:  00007f1cbfc8e840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    6.939625] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.939664] CR2: 0000000009411988 CR3: 0000000008f67001 CR4: 0000000000771ef0
[    6.939709] PKRU: 55555554
[    6.939725] Call Trace:
[    6.939740]  <TASK>
[    6.939756]  rtmsg_ifinfo_newnet+0x33/0x70
[    6.939779]  __dev_change_net_namespace+0x407/0xc50
[    6.939805]  ? rtnl_getlink+0x459/0x5e0
[    6.939826]  do_setlink.isra.0+0xd7/0x1570
[    6.939848]  ? __nla_validate_parse+0x76/0xf20
[    6.939879]  rtnl_newlink+0x9c7/0xe10
[    6.939907]  ? kmalloc_reserve+0xa9/0x170
[    6.939938]  ? do_setlink.isra.0+0x1570/0x1570
[    6.939968]  rtnetlink_rcv_msg+0x39f/0x460
[    6.939993]  ? netlink_unicast+0x306/0x3a0
[    6.940015]  ? rtnl_calcit.isra.0+0x160/0x160
[    6.940044]  netlink_rcv_skb+0xca/0x140
[    6.940071]  netlink_unicast+0x26b/0x3a0
[    6.940093]  netlink_sendmsg+0x1e2/0x430
[    6.940113]  ____sys_sendmsg+0x14c/0x2b0
[    6.940136]  ___sys_sendmsg+0xe1/0x120
[    6.940160]  __sys_sendmsg+0xad/0x100
[    6.940182]  do_syscall_64+0x104/0xfc0
[    6.940205]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.940232] RIP: 0033:0x7f1cbfec808e
[    6.940259] 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
[    6.940359] RSP: 002b:00007ffdd94477d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    6.940407] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1cbfec808e
[    6.940448] RDX: 0000000000000000 RSI: 00007ffdd9447880 RDI: 0000000000000005
[    6.940488] RBP: 00007ffdd94477e0 R08: 0000000000000000 R09: 0000000000000000
[    6.940528] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db73
[    6.940573] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd9447f40
[    6.940626]  </TASK>
[    6.940640] ---[ end trace 0000000000000000 ]---
[    6.940708] ------------[ cut here ]------------
[    6.940737] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2318
[    6.940792] Modules linked in: netdevsim [last unloaded: netconsole]
[    6.940826] CPU: 3 UID: 0 PID: 2318 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.940883] Tainted: [W]=WARN
[    6.940909] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.940945] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.940973] 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
[    6.941070] RSP: 0018:ff835a92c08d36c8 EFLAGS: 00010286
[    6.941101] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.941144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781df1700
[    6.941188] RBP: 0000000000000000 R08: ff29fcf78321aa50 R09: ff29fcf7819b6030
[    6.941229] R10: ff29fcf787444118 R11: fefefefefefefeff R12: 0000000000000000
[    6.941270] R13: 0000000000000010 R14: ff29fcf787444000 R15: ff29fcf781df1700
[    6.941316] FS:  00007f1cbfc8e840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    6.941358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.941388] CR2: 0000000009411988 CR3: 0000000008f67001 CR4: 0000000000771ef0
[    6.941433] PKRU: 55555554
[    6.941447] Call Trace:
[    6.941460]  <TASK>
[    6.941475]  rtmsg_ifinfo+0x3c/0xa0
[    6.941496]  __dev_change_net_namespace+0x22e/0xc50
[    6.941522]  ? rtnl_getlink+0x459/0x5e0
[    6.941543]  do_setlink.isra.0+0xd7/0x1570
[    6.941563]  ? __nla_validate_parse+0x76/0xf20
[    6.941594]  rtnl_newlink+0x9c7/0xe10
[    6.941618]  ? kmalloc_reserve+0xa9/0x170
[    6.941640]  ? do_setlink.isra.0+0x1570/0x1570
[    6.941669]  rtnetlink_rcv_msg+0x39f/0x460
[    6.941692]  ? netlink_unicast+0x306/0x3a0
[    6.941712]  ? rtnl_calcit.isra.0+0x160/0x160
[    6.941742]  netlink_rcv_skb+0xca/0x140
[    6.941763]  netlink_unicast+0x26b/0x3a0
[    6.941783]  netlink_sendmsg+0x1e2/0x430
[    6.941804]  ____sys_sendmsg+0x14c/0x2b0
[    6.941826]  ___sys_sendmsg+0xe1/0x120
[    6.941847]  __sys_sendmsg+0xad/0x100
[    6.941869]  do_syscall_64+0x104/0xfc0
[    6.941890]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.941925] RIP: 0033:0x7f1cbfec808e
[    6.941949] 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
[    6.942050] RSP: 002b:00007ffdd94477d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    6.942092] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1cbfec808e
[    6.942131] RDX: 0000000000000000 RSI: 00007ffdd9447880 RDI: 0000000000000005
[    6.942172] RBP: 00007ffdd94477e0 R08: 0000000000000000 R09: 0000000000000000
[    6.942211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db73
[    6.942258] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd9447f40
[    6.942301]  </TASK>
[    6.942316] ---[ end trace 0000000000000000 ]---
[    6.953224] ------------[ cut here ]------------
[    6.953258] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2320
[    6.953302] Modules linked in: netdevsim [last unloaded: netconsole]
[    6.953338] CPU: 3 UID: 0 PID: 2320 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.953397] Tainted: [W]=WARN
[    6.953417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.953450] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.953476] 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
[    6.953579] RSP: 0018:ff835a92c08c3720 EFLAGS: 00010286
[    6.953608] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    6.953652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783070200
[    6.953693] RBP: 0000000000000000 R08: ff29fcf78321aa50 R09: ff29fcf7819b6030
[    6.953735] R10: ff29fcf787444118 R11: fefefefefefefeff R12: 0000000000000000
[    6.953777] R13: 0000000000000010 R14: ff29fcf787444000 R15: ff29fcf783070200
[    6.953820] FS:  00007ff0f2637840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    6.953865] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.953911] CR2: 0000000006cd7988 CR3: 00000000067db004 CR4: 0000000000771ef0
[    6.953959] PKRU: 55555554
[    6.953974] Call Trace:
[    6.953989]  <TASK>
[    6.954006]  rtmsg_ifinfo+0x3c/0xa0
[    6.954031]  __dev_notify_flags+0xb1/0xf0
[    6.954055]  ? rtnl_getlink+0x456/0x5e0
[    6.954076]  netif_change_flags+0x54/0x70
[    6.954098]  do_setlink.isra.0+0x390/0x1570
[    6.954122]  ? __nla_validate_parse+0x76/0xf20
[    6.954151]  rtnl_newlink+0x9c7/0xe10
[    6.954178]  ? kmalloc_reserve+0xa9/0x170
[    6.954201]  ? do_setlink.isra.0+0x1570/0x1570
[    6.954229]  rtnetlink_rcv_msg+0x39f/0x460
[    6.954250]  ? netlink_unicast+0x306/0x3a0
[    6.954274]  ? rtnl_calcit.isra.0+0x160/0x160
[    6.954304]  netlink_rcv_skb+0xca/0x140
[    6.954325]  netlink_unicast+0x26b/0x3a0
[    6.954349]  netlink_sendmsg+0x1e2/0x430
[    6.954371]  ____sys_sendmsg+0x14c/0x2b0
[    6.954398]  ___sys_sendmsg+0xe1/0x120
[    6.954422]  __sys_sendmsg+0xad/0x100
[    6.954447]  do_syscall_64+0x104/0xfc0
[    6.954472]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.954503] RIP: 0033:0x7ff0f287108e
[    6.954528] 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
[    6.954632] RSP: 002b:00007ffe76a5d220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    6.954675] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff0f287108e
[    6.954720] RDX: 0000000000000000 RSI: 00007ffe76a5d2d0 RDI: 0000000000000005
[    6.954762] RBP: 00007ffe76a5d230 R08: 0000000000000000 R09: 0000000000000000
[    6.954805] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db73
[    6.954846] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe76a5d990
[    6.954890]  </TASK>
[    6.954943] ---[ end trace 0000000000000000 ]---
[    6.960479] ------------[ cut here ]------------
[    6.960509] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/2322
[    6.960556] Modules linked in: netdevsim [last unloaded: netconsole]
[    6.960593] CPU: 3 UID: 0 PID: 2322 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    6.960646] Tainted: [W]=WARN
[    6.960666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.960700] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    6.960728] 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
[    6.960823] RSP: 0018:ff835a92c08b3720 EFLAGS: 00010286
[    6.960853] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    6.960892] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783071c00
[    6.960946] RBP: 0000000000000000 R08: ff29fcf783220090 R09: ff29fcf7819b6030
[    6.960984] R10: ff29fcf78512a118 R11: fefefefefefefeff R12: 0000000000000000
[    6.961021] R13: 0000000000000010 R14: ff29fcf78512a000 R15: ff29fcf783071c00
[    6.961065] FS:  00007f903e6e9840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    6.961106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.961141] CR2: 0000000007411988 CR3: 00000000067db001 CR4: 0000000000771ef0
[    6.961179] PKRU: 55555554
[    6.961194] Call Trace:
[    6.961207]  <TASK>
[    6.961223]  rtmsg_ifinfo+0x3c/0xa0
[    6.961247]  __dev_notify_flags+0xb1/0xf0
[    6.961268]  ? rtnl_getlink+0x456/0x5e0
[    6.961292]  netif_change_flags+0x54/0x70
[    6.961314]  do_setlink.isra.0+0x390/0x1570
[    6.961337]  ? __nla_validate_parse+0x76/0xf20
[    6.961365]  rtnl_newlink+0x9c7/0xe10
[    6.961388]  ? kmalloc_reserve+0xa9/0x170
[    6.961411]  ? do_setlink.isra.0+0x1570/0x1570
[    6.961439]  rtnetlink_rcv_msg+0x39f/0x460
[    6.961461]  ? netlink_unicast+0x306/0x3a0
[    6.961485]  ? rtnl_calcit.isra.0+0x160/0x160
[    6.961514]  netlink_rcv_skb+0xca/0x140
[    6.961535]  netlink_unicast+0x26b/0x3a0
[    6.961557]  netlink_sendmsg+0x1e2/0x430
[    6.961580]  ____sys_sendmsg+0x14c/0x2b0
[    6.961604]  ___sys_sendmsg+0xe1/0x120
[    6.961627]  __sys_sendmsg+0xad/0x100
[    6.961650]  do_syscall_64+0x104/0xfc0
[    6.961672]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    6.961701] RIP: 0033:0x7f903e92308e
[    6.961722] 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
[    6.961818] RSP: 002b:00007ffc01fa70f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    6.961862] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f903e92308e
[    6.961906] RDX: 0000000000000000 RSI: 00007ffc01fa71a0 RDI: 0000000000000005
[    6.961950] RBP: 00007ffc01fa7100 R08: 0000000000000000 R09: 0000000000000000
[    6.961990] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db73
[    6.962028] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc01fa7860
[    6.962071]  </TASK>
[    6.962086] ---[ end trace 0000000000000000 ]---
[    7.010621] ------------[ cut here ]------------
[    7.010695] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/2286
[    7.010784] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[    7.010866] CPU: 2 UID: 0 PID: 2286 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.011024] Tainted: [W]=WARN
[    7.011081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.011154] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.011218] 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
[    7.011363] RSP: 0018:ff835a92c17c3b18 EFLAGS: 00010286
[    7.011425] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    7.011498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783070200
[    7.011579] RBP: 0000000000000000 R08: ff29fcf78321aa50 R09: ff29fcf78513a030
[    7.011661] R10: ff29fcf787444118 R11: fefefefefefefeff R12: 0000000000000000
[    7.011740] R13: 0000000000000010 R14: ff29fcf787444000 R15: ff29fcf783070200
[    7.011826] FS:  00007f85b66ffb80(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000
[    7.011914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.011989] CR2: 00005637e48be3ec CR3: 0000000006800003 CR4: 0000000000771ef0
[    7.012069] PKRU: 55555554
[    7.012117] Call Trace:
[    7.012164]  <TASK>
[    7.012212]  rtmsg_ifinfo+0x3c/0xa0
[    7.012268]  netif_close_many+0xed/0x190
[    7.012325]  unregister_netdevice_many_notify+0x118/0xa40
[    7.012393]  ? __destroy_inode+0x1a/0xc0
[    7.012453]  unregister_netdevice_queue+0x9e/0xd0
[    7.012524]  nsim_destroy+0x91/0x200 [netdevsim]
[    7.012599]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    7.012675]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    7.012750]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    7.012824]  device_release_driver_internal+0x19a/0x200
[    7.012895]  bus_remove_device+0xed/0x1b0
[    7.012972]  ? device_remove_attrs+0xb3/0x100
[    7.013044]  device_del+0x158/0x450
[    7.013103]  device_unregister+0x12/0x30
[    7.013163]  del_device_store+0x122/0x190 [netdevsim]
[    7.013230]  kernfs_fop_write_iter+0x151/0x200
[    7.013294]  vfs_write+0x257/0x5c0
[    7.013351]  ksys_write+0x7b/0x110
[    7.013407]  do_syscall_64+0x104/0xfc0
[    7.013462]  ? __sysvec_call_function_single+0x20/0xd0
[    7.013527]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.013589] RIP: 0033:0x7f85b677108e
[    7.013645] 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
[    7.013780] RSP: 002b:00007ffd43079340 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    7.013855] RAX: ffffffffffffffda RBX: 00007f85b68f3580 RCX: 00007f85b677108e
[    7.013944] RDX: 0000000000000004 RSI: 00005637e4911250 RDI: 0000000000000001
[    7.014020] RBP: 00007ffd43079350 R08: 0000000000000000 R09: 0000000000000000
[    7.014096] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    7.014174] R13: 0000000000000004 R14: 00005637e4911250 R15: 0000000000000000
[    7.014254]  </TASK>
[    7.014304] ---[ end trace 0000000000000000 ]---
[    7.014429] ------------[ cut here ]------------
[    7.014495] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/2286
[    7.014583] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[    7.014664] CPU: 2 UID: 0 PID: 2286 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.014759] Tainted: [W]=WARN
[    7.014815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.014885] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.014970] 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
[    7.015111] RSP: 0018:ff835a92c17c3b88 EFLAGS: 00010286
[    7.015173] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.015247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783070200
[    7.015330] RBP: 0000000000000000 R08: ff29fcf78321aa50 R09: ff29fcf78741a830
[    7.015409] R10: ff29fcf787444118 R11: fefefefefefefeff R12: 0000000000000000
[    7.015491] R13: 0000000000000011 R14: ff29fcf787444000 R15: ff29fcf783070200
[    7.015575] FS:  00007f85b66ffb80(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000
[    7.015654] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.015726] CR2: 00005637e48be3ec CR3: 0000000006800003 CR4: 0000000000771ef0
[    7.015805] PKRU: 55555554
[    7.015853] Call Trace:
[    7.015906]  <TASK>
[    7.015964]  unregister_netdevice_many_notify+0x595/0xa40
[    7.016030]  unregister_netdevice_queue+0x9e/0xd0
[    7.016096]  nsim_destroy+0x91/0x200 [netdevsim]
[    7.016164]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    7.016229]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    7.016295]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    7.016362]  device_release_driver_internal+0x19a/0x200
[    7.016427]  bus_remove_device+0xed/0x1b0
[    7.016484]  ? device_remove_attrs+0xb3/0x100
[    7.016549]  device_del+0x158/0x450
[    7.016606]  device_unregister+0x12/0x30
[    7.016664]  del_device_store+0x122/0x190 [netdevsim]
[    7.016729]  kernfs_fop_write_iter+0x151/0x200
[    7.016793]  vfs_write+0x257/0x5c0
[    7.016853]  ksys_write+0x7b/0x110
[    7.016914]  do_syscall_64+0x104/0xfc0
[    7.016975]  ? __sysvec_call_function_single+0x20/0xd0
[    7.017040]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.017101] RIP: 0033:0x7f85b677108e
[    7.017162] 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
[    7.017303] RSP: 002b:00007ffd43079340 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    7.017387] RAX: ffffffffffffffda RBX: 00007f85b68f3580 RCX: 00007f85b677108e
[    7.017467] RDX: 0000000000000004 RSI: 00005637e4911250 RDI: 0000000000000001
[    7.017550] RBP: 00007ffd43079350 R08: 0000000000000000 R09: 0000000000000000
[    7.017629] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    7.017706] R13: 0000000000000004 R14: 00005637e4911250 R15: 0000000000000000
[    7.017783]  </TASK>
[    7.017831] ---[ end trace 0000000000000000 ]---
[    7.042121] ------------[ cut here ]------------
[    7.042215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/2286
[    7.042301] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[    7.042381] CPU: 2 UID: 0 PID: 2286 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.042474] Tainted: [W]=WARN
[    7.042528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.042600] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.042662] 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
[    7.042793] RSP: 0018:ff835a92c17c3b18 EFLAGS: 00010286
[    7.042858] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    7.042953] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783071f00
[    7.043026] RBP: 0000000000000000 R08: ff29fcf783220090 R09: ff29fcf78513c030
[    7.043108] R10: ff29fcf78512a118 R11: fefefefefefefeff R12: 0000000000000000
[    7.043183] R13: 0000000000000010 R14: ff29fcf78512a000 R15: ff29fcf783071f00
[    7.043264] FS:  00007f85b66ffb80(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000
[    7.043342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.043411] CR2: 00005637e48be3ec CR3: 0000000006800005 CR4: 0000000000771ef0
[    7.043489] PKRU: 55555554
[    7.043537] Call Trace:
[    7.043586]  <TASK>
[    7.043635]  rtmsg_ifinfo+0x3c/0xa0
[    7.043693]  netif_close_many+0xed/0x190
[    7.043750]  unregister_netdevice_many_notify+0x118/0xa40
[    7.043812]  ? __destroy_inode+0x1a/0xc0
[    7.043868]  unregister_netdevice_queue+0x9e/0xd0
[    7.043942]  nsim_destroy+0x91/0x200 [netdevsim]
[    7.044007]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    7.044073]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    7.044137]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    7.044201]  device_release_driver_internal+0x19a/0x200
[    7.044267]  bus_remove_device+0xed/0x1b0
[    7.044322]  ? device_remove_attrs+0xb3/0x100
[    7.044386]  device_del+0x158/0x450
[    7.044443]  device_unregister+0x12/0x30
[    7.044498]  del_device_store+0x122/0x190 [netdevsim]
[    7.044561]  kernfs_fop_write_iter+0x151/0x200
[    7.044625]  vfs_write+0x257/0x5c0
[    7.044680]  ksys_write+0x7b/0x110
[    7.044737]  do_syscall_64+0x104/0xfc0
[    7.044792]  ? __sysvec_call_function_single+0x20/0xd0
[    7.044857]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.044933] RIP: 0033:0x7f85b677108e
[    7.044989] 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
[    7.045121] RSP: 002b:00007ffd43079440 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    7.045197] RAX: ffffffffffffffda RBX: 00007f85b68f3580 RCX: 00007f85b677108e
[    7.045273] RDX: 0000000000000004 RSI: 00005637e4911250 RDI: 0000000000000001
[    7.045350] RBP: 00007ffd43079450 R08: 0000000000000000 R09: 0000000000000000
[    7.045425] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    7.045502] R13: 0000000000000004 R14: 00005637e4911250 R15: 0000000000000000
[    7.045580]  </TASK>
[    7.045627] ---[ end trace 0000000000000000 ]---
[    7.045835] ------------[ cut here ]------------
[    7.045906] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: bash/2286
[    7.045994] Modules linked in: netconsole netdevsim [last unloaded: netconsole]
[    7.046071] CPU: 2 UID: 0 PID: 2286 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.046162] Tainted: [W]=WARN
[    7.046215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.046282] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.046344] 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
[    7.046480] RSP: 0018:ff835a92c17c3b88 EFLAGS: 00010286
[    7.046541] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.046617] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783071f00
[    7.046693] RBP: 0000000000000000 R08: ff29fcf783220090 R09: ff29fcf788423830
[    7.046767] R10: ff29fcf78512a118 R11: fefefefefefefeff R12: 0000000000000000
[    7.046843] R13: 0000000000000011 R14: ff29fcf78512a000 R15: ff29fcf783071f00
[    7.046935] FS:  00007f85b66ffb80(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000
[    7.047012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.047079] CR2: 00005637e48be3ec CR3: 0000000006800005 CR4: 0000000000771ef0
[    7.047157] PKRU: 55555554
[    7.047203] Call Trace:
[    7.047250]  <TASK>
[    7.047298]  unregister_netdevice_many_notify+0x595/0xa40
[    7.047361]  unregister_netdevice_queue+0x9e/0xd0
[    7.047424]  nsim_destroy+0x91/0x200 [netdevsim]
[    7.047489]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    7.047555]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    7.047620]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    7.047684]  device_release_driver_internal+0x19a/0x200
[    7.047746]  bus_remove_device+0xed/0x1b0
[    7.047802]  ? device_remove_attrs+0xb3/0x100
[    7.047864]  device_del+0x158/0x450
[    7.047936]  device_unregister+0x12/0x30
[    7.047992]  del_device_store+0x122/0x190 [netdevsim]
[    7.048056]  kernfs_fop_write_iter+0x151/0x200
[    7.048120]  vfs_write+0x257/0x5c0
[    7.048177]  ksys_write+0x7b/0x110
[    7.048234]  do_syscall_64+0x104/0xfc0
[    7.048290]  ? __sysvec_call_function_single+0x20/0xd0
[    7.048356]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    7.048419] RIP: 0033:0x7f85b677108e
[    7.048474] 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
[    7.048606] RSP: 002b:00007ffd43079440 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    7.048682] RAX: ffffffffffffffda RBX: 00007f85b68f3580 RCX: 00007f85b677108e
[    7.048760] RDX: 0000000000000004 RSI: 00005637e4911250 RDI: 0000000000000001
[    7.048838] RBP: 00007ffd43079450 R08: 0000000000000000 R09: 0000000000000000
[    7.048921] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    7.049002] R13: 0000000000000004 R14: 00005637e4911250 R15: 0000000000000000
[    7.049084]  </TASK>
[    7.049132] ---[ end trace 0000000000000000 ]---
[    7.106267] ------------[ cut here ]------------
[    7.106322] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:1/65
[    7.106381] Modules linked in: netdevsim [last unloaded: netconsole]
[    7.106420] CPU: 1 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.106480] Tainted: [W]=WARN
[    7.106500] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.106542] Workqueue: netns cleanup_net
[    7.106567] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.106592] 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
[    7.106689] RSP: 0018:ff835a92c023fc08 EFLAGS: 00010286
[    7.106719] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    7.106767] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7500
[    7.106808] RBP: 0000000000000000 R08: ff29fcf783010490 R09: ff29fcf7829cc02c
[    7.106848] R10: ff29fcf785195118 R11: fefefefefefefeff R12: 0000000000000000
[    7.106888] R13: 0000000000000010 R14: ff29fcf785195000 R15: ff29fcf7830f7500
[    7.106943] FS:  0000000000000000(0000) GS:ff29fcf8312da000(0000) knlGS:0000000000000000
[    7.106990] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.107027] CR2: 00007f85b6910f98 CR3: 000000002a442003 CR4: 0000000000771ef0
[    7.107069] PKRU: 55555554
[    7.107085] Call Trace:
[    7.107098]  <TASK>
[    7.107114]  rtmsg_ifinfo+0x3c/0xa0
[    7.107137]  netif_close_many+0xed/0x190
[    7.107162]  unregister_netdevice_many_notify+0x215/0xa40
[    7.107189]  default_device_exit_batch+0x328/0x3a0
[    7.107219]  ops_undo_list+0x10b/0x240
[    7.107242]  cleanup_net+0x1d7/0x2e0
[    7.107266]  process_one_work+0x162/0x360
[    7.107291]  worker_thread+0x16e/0x2d0
[    7.107312]  ? rescuer_thread+0x510/0x510
[    7.107331]  kthread+0xe1/0x120
[    7.107353]  ? kthread_park+0xa0/0xa0
[    7.107375]  ret_from_fork+0x16d/0x250
[    7.107400]  ? kthread_park+0xa0/0xa0
[    7.107421]  ret_from_fork_asm+0x11/0x20
[    7.107444]  </TASK>
[    7.107458] ---[ end trace 0000000000000000 ]---
[    7.107650] ------------[ cut here ]------------
[    7.107684] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:1/65
[    7.107740] Modules linked in: netdevsim [last unloaded: netconsole]
[    7.107775] CPU: 1 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    7.107829] Tainted: [W]=WARN
[    7.107849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.107879] Workqueue: netns cleanup_net
[    7.107908] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    7.107940] 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
[    7.108045] RSP: 0018:ff835a92c023fc78 EFLAGS: 00010286
[    7.108073] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.108113] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7500
[    7.108153] RBP: 0000000000000000 R08: ff29fcf783010490 R09: ff29fcf781cb482c
[    7.108191] R10: ff29fcf785195118 R11: fefefefefefefeff R12: 0000000000000000
[    7.108232] R13: 0000000000000011 R14: ff29fcf785195000 R15: ff29fcf7830f7500
[    7.108272] FS:  0000000000000000(0000) GS:ff29fcf8312da000(0000) knlGS:0000000000000000
[    7.108315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.108349] CR2: 00007fef6df91f98 CR3: 000000002a442003 CR4: 0000000000771ef0
[    7.108390] PKRU: 55555554
[    7.108409] Call Trace:
[    7.108424]  <TASK>
[    7.108438]  unregister_netdevice_many_notify+0x595/0xa40
[    7.108468]  default_device_exit_batch+0x328/0x3a0
[    7.108495]  ops_undo_list+0x10b/0x240
[    7.108517]  cleanup_net+0x1d7/0x2e0
[    7.108540]  process_one_work+0x162/0x360
[    7.108567]  worker_thread+0x16e/0x2d0
[    7.108589]  ? rescuer_thread+0x510/0x510
[    7.108612]  kthread+0xe1/0x120
[    7.108632]  ? kthread_park+0xa0/0xa0
[    7.108654]  ret_from_fork+0x16d/0x250
[    7.108676]  ? kthread_park+0xa0/0xa0
[    7.108699]  ret_from_fork_asm+0x11/0x20
[    7.108719]  </TASK>
[    7.108735] ---[ end trace 0000000000000000 ]---