[    2.347469] netconsole: network logging started
[    2.383969] ------------[ cut here ]------------
[    2.384014] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/175
[    2.384074] Modules linked in: netconsole netdevsim
[    2.384111] CPU: 0 UID: 0 PID: 175 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.384167] Tainted: [W]=WARN
[    2.384191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.384230] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.384262] 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
[    2.384372] RSP: 0018:ff84a255c033fcc8 EFLAGS: 00010286
[    2.384402] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.384448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e830d5600
[    2.384483] RBP: 0000000000000000 R08: ff32fb1e818e8410 R09: ff32fb1e8676702c
[    2.384535] R10: ff32fb1e86762118 R11: fefefefefefefeff R12: 0000000000000000
[    2.384579] R13: 0000000000000010 R14: ff32fb1e86762000 R15: ff32fb1e830d5600
[    2.384638] FS:  00007fee08d67840(0000) GS:ff32fb1f1585a000(0000) knlGS:0000000000000000
[    2.384687] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.384725] CR2: 0000000000479648 CR3: 0000000004ecd005 CR4: 0000000000771ef0
[    2.384776] PKRU: 55555554
[    2.384793] Call Trace:
[    2.384810]  <TASK>
[    2.384827]  rtmsg_ifinfo+0x3c/0xa0
[    2.384853]  register_netdevice+0x8e1/0xa70
[    2.384878]  register_netdev+0x1e/0x30
[    2.384902]  loopback_net_init+0x57/0xb0
[    2.384929]  ? vsock_sysctl_init_net+0xb6/0x140
[    2.384966]  ops_init+0x68/0x140
[    2.384992]  setup_net+0x85/0x150
[    2.385016]  copy_net_ns+0xf5/0x200
[    2.385039]  create_new_namespaces+0x117/0x2f0
[    2.385073]  unshare_nsproxy_namespaces+0x85/0xb0
[    2.385102]  ksys_unshare+0x346/0x5e0
[    2.385128]  __x64_sys_unshare+0x12/0x20
[    2.385152]  do_syscall_64+0x104/0xfc0
[    2.385179]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.385213] RIP: 0033:0x7fee09029bcb
[    2.385239] 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
[    2.385353] RSP: 002b:00007ffe196317d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.385400] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fee09029bcb
[    2.385448] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.385492] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.385543] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe19633a00
[    2.385588] R13: 0000000000000001 R14: 00007fee08d676f8 R15: 00007ffe19634837
[    2.385632]  </TASK>
[    2.385648] ---[ end trace 0000000000000000 ]---
[    2.389091] ------------[ cut here ]------------
[    2.389163] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/176
[    2.389260] Modules linked in: netconsole netdevsim
[    2.389329] CPU: 2 UID: 0 PID: 176 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.389434] Tainted: [W]=WARN
[    2.389490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.389574] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.389640] 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
[    2.389775] RSP: 0018:ff84a255c0347720 EFLAGS: 00010286
[    2.389840] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.389918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e830df000
[    2.389997] RBP: 0000000000000000 R08: ff32fb1e818e8410 R09: ff32fb1e8303d02c
[    2.390074] R10: ff32fb1e86762118 R11: fefefefefefefeff R12: 0000000000000000
[    2.390151] R13: 0000000000000010 R14: ff32fb1e86762000 R15: ff32fb1e830df000
[    2.390234] FS:  00007fd69e5fd840(0000) GS:ff32fb1f1595a000(0000) knlGS:0000000000000000
[    2.390315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.390391] CR2: 000000003a09a988 CR3: 0000000003351006 CR4: 0000000000771ef0
[    2.390471] PKRU: 55555554
[    2.390527] Call Trace:
[    2.390579]  <TASK>
[    2.390629]  rtmsg_ifinfo+0x3c/0xa0
[    2.390687]  __dev_notify_flags+0xb1/0xf0
[    2.390747]  ? rtnl_getlink+0x456/0x5e0
[    2.390805]  netif_change_flags+0x54/0x70
[    2.390865]  do_setlink.isra.0+0x390/0x1570
[    2.390924]  ? __nla_validate_parse+0x76/0xf20
[    2.390993]  rtnl_newlink+0x9c7/0xe10
[    2.391052]  ? kmalloc_reserve+0xa9/0x170
[    2.391119]  ? do_setlink.isra.0+0x1570/0x1570
[    2.391185]  rtnetlink_rcv_msg+0x39f/0x460
[    2.391244]  ? netlink_unicast+0x306/0x3a0
[    2.391304]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.391378]  netlink_rcv_skb+0xca/0x140
[    2.391436]  netlink_unicast+0x26b/0x3a0
[    2.391494]  netlink_sendmsg+0x1e2/0x430
[    2.391556]  ____sys_sendmsg+0x14c/0x2b0
[    2.391616]  ___sys_sendmsg+0xe1/0x120
[    2.391675]  __sys_sendmsg+0xad/0x100
[    2.391733]  do_syscall_64+0x104/0xfc0
[    2.391793]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.391858] RIP: 0033:0x7fd69e83708e
[    2.391916] 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
[    2.392054] RSP: 002b:00007ffc36802fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.392134] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd69e83708e
[    2.392214] RDX: 0000000000000000 RSI: 00007ffc36803060 RDI: 0000000000000005
[    2.392292] RBP: 00007ffc36802fc0 R08: 0000000000000000 R09: 0000000000000000
[    2.392377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d063
[    2.392455] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc36803730
[    2.392540]  </TASK>
[    2.392590] ---[ end trace 0000000000000000 ]---
[    2.402652] ------------[ cut here ]------------
[    2.402696] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
[    2.402760] Modules linked in: netconsole netdevsim
[    2.402798] CPU: 0 UID: 0 PID: 149 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.402866] Tainted: [W]=WARN
[    2.402889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.402929] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.402962] 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
[    2.403067] RSP: 0018:ff84a255c03cf9d0 EFLAGS: 00010286
[    2.403099] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.403145] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e81c23f00
[    2.403190] RBP: 0000000000000000 R08: ff32fb1e84c4fc50 R09: ff32fb1e86765030
[    2.403236] R10: ff32fb1e8675c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.403283] R13: 0000000000000010 R14: ff32fb1e8675c000 R15: ff32fb1e81c23f00
[    2.403332] FS:  00007f488efcab80(0000) GS:ff32fb1f1585a000(0000) knlGS:0000000000000000
[    2.403388] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.403424] CR2: 000055fd72216cb8 CR3: 0000000004d4c003 CR4: 0000000000771ef0
[    2.403470] PKRU: 55555554
[    2.403485] Call Trace:
[    2.403501]  <TASK>
[    2.403523]  rtmsg_ifinfo+0x3c/0xa0
[    2.403555]  register_netdevice+0x8e1/0xa70
[    2.403583]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    2.403625]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    2.403665]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    2.403699]  really_probe+0xc9/0x290
[    2.403730]  ? driver_probe_device+0xe0/0xe0
[    2.403764]  __driver_probe_device+0x8d/0x160
[    2.403802]  driver_probe_device+0x1f/0xe0
[    2.403828]  __device_attach_driver+0x71/0x100
[    2.403860]  bus_for_each_drv+0x9d/0x100
[    2.403885]  __device_attach+0xb0/0x1b0
[    2.403909]  device_initial_probe+0x4a/0x70
[    2.403934]  bus_probe_device+0x3c/0xb0
[    2.403957]  device_add+0x675/0x8a0
[    2.403981]  new_device_store+0x19b/0x2b0 [netdevsim]
[    2.404018]  kernfs_fop_write_iter+0x151/0x200
[    2.404051]  vfs_write+0x257/0x5c0
[    2.404079]  ksys_write+0x7b/0x110
[    2.404101]  do_syscall_64+0x104/0xfc0
[    2.404129]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.404167] RIP: 0033:0x7f488f03c08e
[    2.404192] 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
[    2.404292] RSP: 002b:00007ffc955de380 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.404341] RAX: ffffffffffffffda RBX: 00007f488f1be580 RCX: 00007f488f03c08e
[    2.404385] RDX: 0000000000000004 RSI: 000055fd72266cb0 RDI: 0000000000000001
[    2.404426] RBP: 00007ffc955de390 R08: 0000000000000000 R09: 0000000000000000
[    2.404473] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.404526] R13: 0000000000000004 R14: 000055fd72266cb0 R15: 0000000000000000
[    2.404576]  </TASK>
[    2.404593] ---[ end trace 0000000000000000 ]---
[    2.404977] ------------[ cut here ]------------
[    2.405010] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
[    2.405076] Modules linked in: netconsole netdevsim
[    2.405109] CPU: 0 UID: 0 PID: 149 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.405174] Tainted: [W]=WARN
[    2.405197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.405236] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.405267] 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
[    2.405377] RSP: 0018:ff84a255c03cf9d0 EFLAGS: 00010286
[    2.405409] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.405456] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e830d5600
[    2.405499] RBP: 0000000000000000 R08: ff32fb1e833b9410 R09: ff32fb1e86783030
[    2.405549] R10: ff32fb1e86758118 R11: fefefefefefefeff R12: 0000000000000000
[    2.405595] R13: 0000000000000010 R14: ff32fb1e86758000 R15: ff32fb1e830d5600
[    2.405643] FS:  00007f488efcab80(0000) GS:ff32fb1f1585a000(0000) knlGS:0000000000000000
[    2.405691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.405728] CR2: 000055fd72216cb8 CR3: 0000000004d4c003 CR4: 0000000000771ef0
[    2.405773] PKRU: 55555554
[    2.405789] Call Trace:
[    2.405805]  <TASK>
[    2.405821]  rtmsg_ifinfo+0x3c/0xa0
[    2.405845]  register_netdevice+0x8e1/0xa70
[    2.405871]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    2.405906]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    2.405941]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    2.405976]  really_probe+0xc9/0x290
[    2.406001]  ? driver_probe_device+0xe0/0xe0
[    2.406038]  __driver_probe_device+0x8d/0x160
[    2.406070]  driver_probe_device+0x1f/0xe0
[    2.406094]  __device_attach_driver+0x71/0x100
[    2.406131]  bus_for_each_drv+0x9d/0x100
[    2.406153]  __device_attach+0xb0/0x1b0
[    2.406177]  device_initial_probe+0x4a/0x70
[    2.406201]  bus_probe_device+0x3c/0xb0
[    2.406225]  device_add+0x675/0x8a0
[    2.406248]  new_device_store+0x19b/0x2b0 [netdevsim]
[    2.406279]  kernfs_fop_write_iter+0x151/0x200
[    2.406311]  vfs_write+0x257/0x5c0
[    2.406343]  ksys_write+0x7b/0x110
[    2.406368]  do_syscall_64+0x104/0xfc0
[    2.406392]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.406426] RIP: 0033:0x7f488f03c08e
[    2.406448] 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
[    2.406558] RSP: 002b:00007ffc955de3b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.406605] RAX: ffffffffffffffda RBX: 00007f488f1be580 RCX: 00007f488f03c08e
[    2.406652] RDX: 0000000000000004 RSI: 000055fd72266cb0 RDI: 0000000000000001
[    2.406701] RBP: 00007ffc955de3c0 R08: 0000000000000000 R09: 0000000000000000
[    2.406744] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.406789] R13: 0000000000000004 R14: 000055fd72266cb0 R15: 0000000000000000
[    2.406835]  </TASK>
[    2.406850] ---[ end trace 0000000000000000 ]---
[    2.445535] ------------[ cut here ]------------
[    2.445626] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/194
[    2.445727] Modules linked in: netconsole netdevsim
[    2.445799] CPU: 2 UID: 0 PID: 194 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.445899] Tainted: [W]=WARN
[    2.445959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.446035] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.446105] 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
[    2.446252] RSP: 0018:ff84a255c04e36d8 EFLAGS: 00010286
[    2.446319] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.446405] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e81891800
[    2.446485] RBP: 0000000000000000 R08: ff32fb1e84c4fc50 R09: ff32fb1e86776830
[    2.446573] R10: ff32fb1e8675c118 R11: fefefefefefefeff R12: ff84a255c04e378c
[    2.446653] R13: 0000000000000011 R14: ff32fb1e8675c000 R15: ff32fb1e81891800
[    2.446738] FS:  00007f4182936840(0000) GS:ff32fb1f1595a000(0000) knlGS:0000000000000000
[    2.446821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.446897] CR2: 000000001c16e988 CR3: 0000000001950004 CR4: 0000000000771ef0
[    2.446981] PKRU: 55555554
[    2.447033] Call Trace:
[    2.447088]  <TASK>
[    2.447142]  rtmsg_ifinfo_newnet+0x33/0x70
[    2.447207]  __dev_change_net_namespace+0x407/0xc50
[    2.447278]  ? rtnl_getlink+0x459/0x5e0
[    2.447347]  do_setlink.isra.0+0xd7/0x1570
[    2.447412]  ? __nla_validate_parse+0x76/0xf20
[    2.447484]  rtnl_newlink+0x9c7/0xe10
[    2.447554]  ? kmalloc_reserve+0xa9/0x170
[    2.447617]  ? do_setlink.isra.0+0x1570/0x1570
[    2.447687]  rtnetlink_rcv_msg+0x39f/0x460
[    2.447751]  ? netlink_unicast+0x306/0x3a0
[    2.447815]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.447885]  netlink_rcv_skb+0xca/0x140
[    2.447949]  netlink_unicast+0x26b/0x3a0
[    2.448011]  netlink_sendmsg+0x1e2/0x430
[    2.448074]  ____sys_sendmsg+0x14c/0x2b0
[    2.448139]  ___sys_sendmsg+0xe1/0x120
[    2.448203]  __sys_sendmsg+0xad/0x100
[    2.448266]  do_syscall_64+0x104/0xfc0
[    2.448331]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.448409] RIP: 0033:0x7f4182b7008e
[    2.448471] 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
[    2.448621] RSP: 002b:00007ffd7f868480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.448706] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4182b7008e
[    2.448790] RDX: 0000000000000000 RSI: 00007ffd7f868530 RDI: 0000000000000005
[    2.448872] RBP: 00007ffd7f868490 R08: 0000000000000000 R09: 0000000000000000
[    2.448955] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d063
[    2.449036] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7f868bf0
[    2.449121]  </TASK>
[    2.449171] ---[ end trace 0000000000000000 ]---
[    2.449313] ------------[ cut here ]------------
[    2.449385] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/194
[    2.449478] Modules linked in: netconsole netdevsim
[    2.449549] CPU: 2 UID: 0 PID: 194 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.449642] Tainted: [W]=WARN
[    2.449698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.449768] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.449833] 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
[    2.449972] RSP: 0018:ff84a255c04e36c8 EFLAGS: 00010286
[    2.450039] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.450120] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e81891600
[    2.450200] RBP: 0000000000000000 R08: ff32fb1e84c4fc50 R09: ff32fb1e8303d030
[    2.450284] R10: ff32fb1e8675c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.450374] R13: 0000000000000010 R14: ff32fb1e8675c000 R15: ff32fb1e81891600
[    2.450461] FS:  00007f4182936840(0000) GS:ff32fb1f1595a000(0000) knlGS:0000000000000000
[    2.450555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.450631] CR2: 000000001c16e988 CR3: 0000000001950004 CR4: 0000000000771ef0
[    2.450722] PKRU: 55555554
[    2.450775] Call Trace:
[    2.450830]  <TASK>
[    2.450882]  rtmsg_ifinfo+0x3c/0xa0
[    2.450945]  __dev_change_net_namespace+0x22e/0xc50
[    2.451017]  ? rtnl_getlink+0x459/0x5e0
[    2.451079]  do_setlink.isra.0+0xd7/0x1570
[    2.451144]  ? __nla_validate_parse+0x76/0xf20
[    2.451217]  rtnl_newlink+0x9c7/0xe10
[    2.451281]  ? kmalloc_reserve+0xa9/0x170
[    2.451350]  ? do_setlink.isra.0+0x1570/0x1570
[    2.451421]  rtnetlink_rcv_msg+0x39f/0x460
[    2.451485]  ? netlink_unicast+0x306/0x3a0
[    2.451554]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.451622]  netlink_rcv_skb+0xca/0x140
[    2.451685]  netlink_unicast+0x26b/0x3a0
[    2.451746]  netlink_sendmsg+0x1e2/0x430
[    2.451805]  ____sys_sendmsg+0x14c/0x2b0
[    2.451864]  ___sys_sendmsg+0xe1/0x120
[    2.451923]  __sys_sendmsg+0xad/0x100
[    2.451983]  do_syscall_64+0x104/0xfc0
[    2.452042]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.452106] RIP: 0033:0x7f4182b7008e
[    2.452163] 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
[    2.452296] RSP: 002b:00007ffd7f868480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.452383] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4182b7008e
[    2.452462] RDX: 0000000000000000 RSI: 00007ffd7f868530 RDI: 0000000000000005
[    2.452547] RBP: 00007ffd7f868490 R08: 0000000000000000 R09: 0000000000000000
[    2.452625] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d063
[    2.452703] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7f868bf0
[    2.452782]  </TASK>
[    2.452830] ---[ end trace 0000000000000000 ]---
[    2.465357] ------------[ cut here ]------------
[    2.465432] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/196
[    2.465535] Modules linked in: netconsole netdevsim
[    2.465605] CPU: 2 UID: 0 PID: 196 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.465704] Tainted: [W]=WARN
[    2.465764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.465838] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.465907] 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
[    2.466051] RSP: 0018:ff84a255c04f3720 EFLAGS: 00010286
[    2.466120] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.466201] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e81c24200
[    2.466283] RBP: 0000000000000000 R08: ff32fb1e84c4fc50 R09: ff32fb1e8303d030
[    2.466372] R10: ff32fb1e8675c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.466454] R13: 0000000000000010 R14: ff32fb1e8675c000 R15: ff32fb1e81c24200
[    2.466545] FS:  00007fb8ee3ba840(0000) GS:ff32fb1f1595a000(0000) knlGS:0000000000000000
[    2.466624] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.466695] CR2: 00000000174da988 CR3: 0000000004c46001 CR4: 0000000000771ef0
[    2.466774] PKRU: 55555554
[    2.466828] Call Trace:
[    2.466882]  <TASK>
[    2.466936]  rtmsg_ifinfo+0x3c/0xa0
[    2.466999]  __dev_notify_flags+0xb1/0xf0
[    2.467063]  ? rtnl_getlink+0x456/0x5e0
[    2.467121]  netif_change_flags+0x54/0x70
[    2.467183]  do_setlink.isra.0+0x390/0x1570
[    2.467248]  ? __nla_validate_parse+0x76/0xf20
[    2.467321]  rtnl_newlink+0x9c7/0xe10
[    2.467393]  ? kmalloc_reserve+0xa9/0x170
[    2.467452]  ? do_setlink.isra.0+0x1570/0x1570
[    2.467524]  rtnetlink_rcv_msg+0x39f/0x460
[    2.467582]  ? netlink_unicast+0x306/0x3a0
[    2.467641]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.467706]  netlink_rcv_skb+0xca/0x140
[    2.467764]  netlink_unicast+0x26b/0x3a0
[    2.467822]  netlink_sendmsg+0x1e2/0x430
[    2.467880]  ____sys_sendmsg+0x14c/0x2b0
[    2.467940]  ___sys_sendmsg+0xe1/0x120
[    2.467999]  __sys_sendmsg+0xad/0x100
[    2.468057]  do_syscall_64+0x104/0xfc0
[    2.468116]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.468182] RIP: 0033:0x7fb8ee5f408e
[    2.468239] 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
[    2.468381] RSP: 002b:00007ffe38012d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.468460] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb8ee5f408e
[    2.468546] RDX: 0000000000000000 RSI: 00007ffe38012e40 RDI: 0000000000000005
[    2.468624] RBP: 00007ffe38012da0 R08: 0000000000000000 R09: 0000000000000000
[    2.468702] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d063
[    2.468780] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe38013500
[    2.468862]  </TASK>
[    2.468911] ---[ end trace 0000000000000000 ]---
[    2.475352] ------------[ cut here ]------------
[    2.475426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/199
[    2.475523] Modules linked in: netconsole netdevsim
[    2.475594] CPU: 2 UID: 0 PID: 199 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.475693] Tainted: [W]=WARN
[    2.475753] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.475828] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.475898] 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
[    2.476041] RSP: 0018:ff84a255c0503720 EFLAGS: 00010286
[    2.476111] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.476194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e830d5d00
[    2.476278] RBP: 0000000000000000 R08: ff32fb1e833b9410 R09: ff32fb1e8303d030
[    2.476368] R10: ff32fb1e86758118 R11: fefefefefefefeff R12: 0000000000000000
[    2.476451] R13: 0000000000000010 R14: ff32fb1e86758000 R15: ff32fb1e830d5d00
[    2.476543] FS:  00007ff797d8d840(0000) GS:ff32fb1f1595a000(0000) knlGS:0000000000000000
[    2.476624] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.476696] CR2: 00000000302f4988 CR3: 0000000004ef6004 CR4: 0000000000771ef0
[    2.476775] PKRU: 55555554
[    2.476824] Call Trace:
[    2.476874]  <TASK>
[    2.476924]  rtmsg_ifinfo+0x3c/0xa0
[    2.476981]  __dev_notify_flags+0xb1/0xf0
[    2.477040]  ? rtnl_getlink+0x456/0x5e0
[    2.477097]  netif_change_flags+0x54/0x70
[    2.477156]  do_setlink.isra.0+0x390/0x1570
[    2.477215]  ? __nla_validate_parse+0x76/0xf20
[    2.477281]  rtnl_newlink+0x9c7/0xe10
[    2.477349]  ? kmalloc_reserve+0xa9/0x170
[    2.477409]  ? do_setlink.isra.0+0x1570/0x1570
[    2.477474]  rtnetlink_rcv_msg+0x39f/0x460
[    2.477541]  ? netlink_unicast+0x306/0x3a0
[    2.477598]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.477662]  netlink_rcv_skb+0xca/0x140
[    2.477720]  netlink_unicast+0x26b/0x3a0
[    2.477777]  netlink_sendmsg+0x1e2/0x430
[    2.477835]  ____sys_sendmsg+0x14c/0x2b0
[    2.477894]  ___sys_sendmsg+0xe1/0x120
[    2.477952]  __sys_sendmsg+0xad/0x100
[    2.478010]  do_syscall_64+0x104/0xfc0
[    2.478070]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.478135] RIP: 0033:0x7ff797fc708e
[    2.478193] 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
[    2.478329] RSP: 002b:00007fff564aa330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.478409] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff797fc708e
[    2.478490] RDX: 0000000000000000 RSI: 00007fff564aa3e0 RDI: 0000000000000005
[    2.478572] RBP: 00007fff564aa340 R08: 0000000000000000 R09: 0000000000000000
[    2.478649] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d063
[    2.478727] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff564aaaa0
[    2.478804]  </TASK>
[    2.478853] ---[ end trace 0000000000000000 ]---
[    2.488402] ------------[ cut here ]------------
[    2.488443] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
[    2.488499] Modules linked in: netconsole netdevsim
[    2.488551] CPU: 0 UID: 0 PID: 149 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.488615] Tainted: [W]=WARN
[    2.488637] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.488675] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.488706] 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
[    2.488809] RSP: 0018:ff84a255c03cfb18 EFLAGS: 00010286
[    2.488840] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.488885] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e81891800
[    2.488929] RBP: 0000000000000000 R08: ff32fb1e84c4fc50 R09: ff32fb1e86782030
[    2.488972] R10: ff32fb1e8675c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.489017] R13: 0000000000000010 R14: ff32fb1e8675c000 R15: ff32fb1e81891800
[    2.489066] FS:  00007f488efcab80(0000) GS:ff32fb1f1585a000(0000) knlGS:0000000000000000
[    2.489112] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.489153] CR2: 000055fd7225ac68 CR3: 0000000004d4c006 CR4: 0000000000771ef0
[    2.489205] PKRU: 55555554
[    2.489221] Call Trace:
[    2.489238]  <TASK>
[    2.489254]  rtmsg_ifinfo+0x3c/0xa0
[    2.489283]  netif_close_many+0xed/0x190
[    2.489309]  unregister_netdevice_many_notify+0x118/0xa40
[    2.489340]  ? __destroy_inode+0x1a/0xc0
[    2.489368]  unregister_netdevice_queue+0x9e/0xd0
[    2.489398]  nsim_destroy+0x91/0x200 [netdevsim]
[    2.489434]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    2.489466]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    2.489502]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    2.489548]  device_release_driver_internal+0x19a/0x200
[    2.489581]  bus_remove_device+0xed/0x1b0
[    2.489605]  ? device_remove_attrs+0xb3/0x100
[    2.489641]  device_del+0x158/0x450
[    2.489663]  device_unregister+0x12/0x30
[    2.489688]  del_device_store+0x122/0x190 [netdevsim]
[    2.489723]  kernfs_fop_write_iter+0x151/0x200
[    2.489788]  vfs_write+0x257/0x5c0
[    2.489812]  ksys_write+0x7b/0x110
[    2.489837]  do_syscall_64+0x104/0xfc0
[    2.489859]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.489888] RIP: 0033:0x7f488f03c08e
[    2.489912] 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
[    2.490018] RSP: 002b:00007ffc955de740 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.490068] RAX: ffffffffffffffda RBX: 00007f488f1be580 RCX: 00007f488f03c08e
[    2.490114] RDX: 0000000000000004 RSI: 000055fd72266cb0 RDI: 0000000000000001
[    2.490157] RBP: 00007ffc955de750 R08: 0000000000000000 R09: 0000000000000000
[    2.490203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.490250] R13: 0000000000000004 R14: 000055fd72266cb0 R15: 0000000000000000
[    2.490293]  </TASK>
[    2.490309] ---[ end trace 0000000000000000 ]---
[    2.491581] ------------[ cut here ]------------
[    2.491621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
[    2.491683] Modules linked in: netconsole netdevsim
[    2.491717] CPU: 0 UID: 0 PID: 149 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.491778] Tainted: [W]=WARN
[    2.491799] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.491836] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.491864] 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
[    2.491969] RSP: 0018:ff84a255c03cfb88 EFLAGS: 00010286
[    2.492000] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.492043] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e81891800
[    2.492087] RBP: 0000000000000000 R08: ff32fb1e84c4fc50 R09: ff32fb1e86770830
[    2.492136] R10: ff32fb1e8675c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.492183] R13: 0000000000000011 R14: ff32fb1e8675c000 R15: ff32fb1e81891800
[    2.492231] FS:  00007f488efcab80(0000) GS:ff32fb1f1585a000(0000) knlGS:0000000000000000
[    2.492276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.492312] CR2: 000055fd7225ac68 CR3: 0000000004d4c006 CR4: 0000000000771ef0
[    2.492364] PKRU: 55555554
[    2.492377] Call Trace:
[    2.492392]  <TASK>
[    2.492408]  unregister_netdevice_many_notify+0x595/0xa40
[    2.492440]  unregister_netdevice_queue+0x9e/0xd0
[    2.492470]  nsim_destroy+0x91/0x200 [netdevsim]
[    2.492504]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    2.494375]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    2.494417]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    2.494451]  device_release_driver_internal+0x19a/0x200
[    2.494485]  bus_remove_device+0xed/0x1b0
[    2.494526]  ? device_remove_attrs+0xb3/0x100
[    2.494561]  device_del+0x158/0x450
[    2.494585]  device_unregister+0x12/0x30
[    2.494608]  del_device_store+0x122/0x190 [netdevsim]
[    2.494642]  kernfs_fop_write_iter+0x151/0x200
[    2.494671]  vfs_write+0x257/0x5c0
[    2.494698]  ksys_write+0x7b/0x110
[    2.494721]  do_syscall_64+0x104/0xfc0
[    2.494747]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.494780] RIP: 0033:0x7f488f03c08e
[    2.494807] 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
[    2.494916] RSP: 002b:00007ffc955de740 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.494962] RAX: ffffffffffffffda RBX: 00007f488f1be580 RCX: 00007f488f03c08e
[    2.495006] RDX: 0000000000000004 RSI: 000055fd72266cb0 RDI: 0000000000000001
[    2.495051] RBP: 00007ffc955de750 R08: 0000000000000000 R09: 0000000000000000
[    2.495105] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.495155] R13: 0000000000000004 R14: 000055fd72266cb0 R15: 0000000000000000
[    2.495199]  </TASK>
[    2.495214] ---[ end trace 0000000000000000 ]---
[    2.527893] ------------[ cut here ]------------
[    2.527940] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
[    2.528004] Modules linked in: netconsole netdevsim
[    2.528040] CPU: 0 UID: 0 PID: 149 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.528106] Tainted: [W]=WARN
[    2.528132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.528170] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.528203] 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
[    2.528303] RSP: 0018:ff84a255c03cfb18 EFLAGS: 00010286
[    2.528343] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.529914] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e830d7900
[    2.529960] RBP: 0000000000000000 R08: ff32fb1e833b9410 R09: ff32fb1e86767030
[    2.530007] R10: ff32fb1e86758118 R11: fefefefefefefeff R12: 0000000000000000
[    2.530053] R13: 0000000000000010 R14: ff32fb1e86758000 R15: ff32fb1e830d7900
[    2.530103] FS:  00007f488efcab80(0000) GS:ff32fb1f1585a000(0000) knlGS:0000000000000000
[    2.530148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.530186] CR2: 000055fd7225ac68 CR3: 0000000004d4c006 CR4: 0000000000771ef0
[    2.530231] PKRU: 55555554
[    2.530246] Call Trace:
[    2.530264]  <TASK>
[    2.530281]  rtmsg_ifinfo+0x3c/0xa0
[    2.530305]  netif_close_many+0xed/0x190
[    2.530332]  unregister_netdevice_many_notify+0x118/0xa40
[    2.530369]  ? __destroy_inode+0x1a/0xc0
[    2.530399]  unregister_netdevice_queue+0x9e/0xd0
[    2.530431]  nsim_destroy+0x91/0x200 [netdevsim]
[    2.530467]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    2.530501]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    2.530539]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    2.530571]  device_release_driver_internal+0x19a/0x200
[    2.530604]  bus_remove_device+0xed/0x1b0
[    2.530625]  ? device_remove_attrs+0xb3/0x100
[    2.530658]  device_del+0x158/0x450
[    2.530682]  device_unregister+0x12/0x30
[    2.530704]  del_device_store+0x122/0x190 [netdevsim]
[    2.530737]  kernfs_fop_write_iter+0x151/0x200
[    2.530770]  vfs_write+0x257/0x5c0
[    2.530794]  ksys_write+0x7b/0x110
[    2.530817]  do_syscall_64+0x104/0xfc0
[    2.530845]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.530879] RIP: 0033:0x7f488f03c08e
[    2.530901] 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
[    2.531002] RSP: 002b:00007ffc955de840 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.531045] RAX: ffffffffffffffda RBX: 00007f488f1be580 RCX: 00007f488f03c08e
[    2.531088] RDX: 0000000000000004 RSI: 000055fd72266cb0 RDI: 0000000000000001
[    2.531135] RBP: 00007ffc955de850 R08: 0000000000000000 R09: 0000000000000000
[    2.531181] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.531224] R13: 0000000000000004 R14: 000055fd72266cb0 R15: 0000000000000000
[    2.531269]  </TASK>
[    2.531284] ---[ end trace 0000000000000000 ]---
[    2.531462] ------------[ cut here ]------------
[    2.531491] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/149
[    2.531553] Modules linked in: netconsole netdevsim
[    2.531588] CPU: 0 UID: 0 PID: 149 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.531650] Tainted: [W]=WARN
[    2.531675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.531712] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.531749] 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
[    2.531853] RSP: 0018:ff84a255c03cfb88 EFLAGS: 00010286
[    2.531883] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.531927] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e830d7900
[    2.531973] RBP: 0000000000000000 R08: ff32fb1e833b9410 R09: ff32fb1e86754830
[    2.532017] R10: ff32fb1e86758118 R11: fefefefefefefeff R12: 0000000000000000
[    2.532061] R13: 0000000000000011 R14: ff32fb1e86758000 R15: ff32fb1e830d7900
[    2.532108] FS:  00007f488efcab80(0000) GS:ff32fb1f1585a000(0000) knlGS:0000000000000000
[    2.532161] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.532199] CR2: 000055fd7225ac68 CR3: 0000000004d4c006 CR4: 0000000000771ef0
[    2.532244] PKRU: 55555554
[    2.532259] Call Trace:
[    2.532274]  <TASK>
[    2.532290]  unregister_netdevice_many_notify+0x595/0xa40
[    2.532321]  unregister_netdevice_queue+0x9e/0xd0
[    2.532355]  nsim_destroy+0x91/0x200 [netdevsim]
[    2.532389]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    2.532420]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    2.532453]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    2.532487]  device_release_driver_internal+0x19a/0x200
[    2.532517]  bus_remove_device+0xed/0x1b0
[    2.532544]  ? device_remove_attrs+0xb3/0x100
[    2.532577]  device_del+0x158/0x450
[    2.532602]  device_unregister+0x12/0x30
[    2.532625]  del_device_store+0x122/0x190 [netdevsim]
[    2.532657]  kernfs_fop_write_iter+0x151/0x200
[    2.532683]  vfs_write+0x257/0x5c0
[    2.532708]  ksys_write+0x7b/0x110
[    2.532731]  do_syscall_64+0x104/0xfc0
[    2.532754]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.532787] RIP: 0033:0x7f488f03c08e
[    2.532811] 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
[    2.532916] RSP: 002b:00007ffc955de840 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.532958] RAX: ffffffffffffffda RBX: 00007f488f1be580 RCX: 00007f488f03c08e
[    2.533002] RDX: 0000000000000004 RSI: 000055fd72266cb0 RDI: 0000000000000001
[    2.533047] RBP: 00007ffc955de850 R08: 0000000000000000 R09: 0000000000000000
[    2.533094] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.533142] R13: 0000000000000004 R14: 000055fd72266cb0 R15: 0000000000000000
[    2.533185]  </TASK>
[    2.533201] ---[ end trace 0000000000000000 ]---
[    2.580603] ------------[ cut here ]------------
[    2.580692] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:1/65
[    2.580769] Modules linked in: netconsole netdevsim
[    2.580804] CPU: 1 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.580864] Tainted: [W]=WARN
[    2.580886] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.580926] Workqueue: netns cleanup_net
[    2.580949] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.580981] 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
[    2.581085] RSP: 0018:ff84a255c023fc08 EFLAGS: 00010286
[    2.581115] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.581159] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e830d7800
[    2.581203] RBP: 0000000000000000 R08: ff32fb1e818e8410 R09: ff32fb1e81f8f02c
[    2.581250] R10: ff32fb1e86762118 R11: fefefefefefefeff R12: 0000000000000000
[    2.581295] R13: 0000000000000010 R14: ff32fb1e86762000 R15: ff32fb1e830d7800
[    2.581352] FS:  0000000000000000(0000) GS:ff32fb1f158da000(0000) knlGS:0000000000000000
[    2.581399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.581434] CR2: 000055fd7220b6b8 CR3: 0000000039642003 CR4: 0000000000771ef0
[    2.581480] PKRU: 55555554
[    2.581493] Call Trace:
[    2.581514]  <TASK>
[    2.581532]  rtmsg_ifinfo+0x3c/0xa0
[    2.581555]  netif_close_many+0xed/0x190
[    2.581576]  unregister_netdevice_many_notify+0x215/0xa40
[    2.581608]  default_device_exit_batch+0x328/0x3a0
[    2.581637]  ops_undo_list+0x10b/0x240
[    2.581659]  cleanup_net+0x1d7/0x2e0
[    2.581683]  process_one_work+0x162/0x360
[    2.581710]  worker_thread+0x16e/0x2d0
[    2.581729]  ? rescuer_thread+0x510/0x510
[    2.581753]  kthread+0xe1/0x120
[    2.581779]  ? kthread_park+0xa0/0xa0
[    2.581806]  ret_from_fork+0x16d/0x250
[    2.581832]  ? kthread_park+0xa0/0xa0
[    2.581856]  ret_from_fork_asm+0x11/0x20
[    2.581883]  </TASK>
[    2.581897] ---[ end trace 0000000000000000 ]---
[    2.582053] ------------[ cut here ]------------
[    2.582092] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:1/65
[    2.582158] Modules linked in: netconsole netdevsim
[    2.582192] CPU: 1 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.582256] Tainted: [W]=WARN
[    2.582278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.582317] Workqueue: netns cleanup_net
[    2.582346] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.582377] 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
[    2.582481] RSP: 0018:ff84a255c023fc78 EFLAGS: 00010286
[    2.582518] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.582562] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff32fb1e830d7800
[    2.582609] RBP: 0000000000000000 R08: ff32fb1e818e8410 R09: ff32fb1e819ce82c
[    2.582654] R10: ff32fb1e86762118 R11: fefefefefefefeff R12: 0000000000000000
[    2.582693] R13: 0000000000000011 R14: ff32fb1e86762000 R15: ff32fb1e830d7800
[    2.582741] FS:  0000000000000000(0000) GS:ff32fb1f158da000(0000) knlGS:0000000000000000
[    2.582790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.582818] CR2: 000055fd7220b6b8 CR3: 0000000039642003 CR4: 0000000000771ef0
[    2.582870] PKRU: 55555554
[    2.582885] Call Trace:
[    2.582901]  <TASK>
[    2.582917]  unregister_netdevice_many_notify+0x595/0xa40
[    2.582948]  default_device_exit_batch+0x328/0x3a0
[    2.582979]  ops_undo_list+0x10b/0x240
[    2.583007]  cleanup_net+0x1d7/0x2e0
[    2.583030]  process_one_work+0x162/0x360
[    2.583054]  worker_thread+0x16e/0x2d0
[    2.583075]  ? rescuer_thread+0x510/0x510
[    2.583099]  kthread+0xe1/0x120
[    2.583120]  ? kthread_park+0xa0/0xa0
[    2.583143]  ret_from_fork+0x16d/0x250
[    2.583169]  ? kthread_park+0xa0/0xa0
[    2.583193]  ret_from_fork_asm+0x11/0x20
[    2.583217]  </TASK>
[    2.583232] ---[ end trace 0000000000000000 ]---