[    2.278373] netconsole: network logging started
[    2.309306] ------------[ cut here ]------------
[    2.309354] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/175
[    2.309413] Modules linked in: netconsole netdevsim
[    2.309445] CPU: 3 UID: 0 PID: 175 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.309508] Tainted: [W]=WARN
[    2.309528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.309564] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.309590] 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
[    2.309685] RSP: 0018:ff835a92c033fcc8 EFLAGS: 00010286
[    2.309710] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.309752] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781df2500
[    2.309792] RBP: 0000000000000000 R08: ff29fcf78321a4d0 R09: ff29fcf78513a02c
[    2.309838] R10: ff29fcf7819b5118 R11: fefefefefefefeff R12: 0000000000000000
[    2.309881] R13: 0000000000000010 R14: ff29fcf7819b5000 R15: ff29fcf781df2500
[    2.309942] FS:  00007f660f83d840(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    2.309987] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.310024] CR2: 0000000000479648 CR3: 00000000053f3004 CR4: 0000000000771ef0
[    2.310062] PKRU: 55555554
[    2.310077] Call Trace:
[    2.310095]  <TASK>
[    2.310111]  rtmsg_ifinfo+0x3c/0xa0
[    2.310134]  register_netdevice+0x8e1/0xa70
[    2.310158]  register_netdev+0x1e/0x30
[    2.310179]  loopback_net_init+0x57/0xb0
[    2.310205]  ? vsock_sysctl_init_net+0xb6/0x140
[    2.310240]  ops_init+0x68/0x140
[    2.310264]  setup_net+0x85/0x150
[    2.310285]  copy_net_ns+0xf5/0x200
[    2.310310]  create_new_namespaces+0x117/0x2f0
[    2.310335]  unshare_nsproxy_namespaces+0x85/0xb0
[    2.310366]  ksys_unshare+0x346/0x5e0
[    2.310391]  __x64_sys_unshare+0x12/0x20
[    2.310413]  do_syscall_64+0x104/0xfc0
[    2.310439]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.310468] RIP: 0033:0x7f660faffbcb
[    2.310489] 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
[    2.310589] RSP: 002b:00007fff11549248 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.310632] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f660faffbcb
[    2.310673] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.310718] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.310764] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff1154b470
[    2.310808] R13: 0000000000000001 R14: 00007f660f83d6f8 R15: 00007fff1154b845
[    2.310849]  </TASK>
[    2.310864] ---[ end trace 0000000000000000 ]---
[    2.314174] ------------[ cut here ]------------
[    2.314243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/176
[    2.314330] Modules linked in: netconsole netdevsim
[    2.314399] CPU: 2 UID: 0 PID: 176 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.314494] Tainted: [W]=WARN
[    2.314550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.314623] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.314691] 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
[    2.314831] RSP: 0018:ff835a92c0367720 EFLAGS: 00010286
[    2.314903] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.314992] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7800
[    2.315071] RBP: 0000000000000000 R08: ff29fcf78321a4d0 R09: ff29fcf782ddf02c
[    2.315150] R10: ff29fcf7819b5118 R11: fefefefefefefeff R12: 0000000000000000
[    2.315228] R13: 0000000000000010 R14: ff29fcf7819b5000 R15: ff29fcf7830f7800
[    2.315310] FS:  00007f10d5d1e840(0000) GS:ff29fcf83135a000(0000) knlGS:0000000000000000
[    2.315392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.315464] CR2: 0000000031148988 CR3: 00000000052e3003 CR4: 0000000000771ef0
[    2.315546] PKRU: 55555554
[    2.315595] Call Trace:
[    2.315643]  <TASK>
[    2.315692]  rtmsg_ifinfo+0x3c/0xa0
[    2.315749]  __dev_notify_flags+0xb1/0xf0
[    2.315807]  ? rtnl_getlink+0x456/0x5e0
[    2.315864]  netif_change_flags+0x54/0x70
[    2.315928]  do_setlink.isra.0+0x390/0x1570
[    2.315989]  ? __nla_validate_parse+0x76/0xf20
[    2.316055]  rtnl_newlink+0x9c7/0xe10
[    2.316112]  ? kmalloc_reserve+0xa9/0x170
[    2.316171]  ? do_setlink.isra.0+0x1570/0x1570
[    2.316234]  rtnetlink_rcv_msg+0x39f/0x460
[    2.316291]  ? netlink_unicast+0x306/0x3a0
[    2.316349]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.316414]  netlink_rcv_skb+0xca/0x140
[    2.316475]  netlink_unicast+0x26b/0x3a0
[    2.316538]  netlink_sendmsg+0x1e2/0x430
[    2.316604]  ____sys_sendmsg+0x14c/0x2b0
[    2.316669]  ___sys_sendmsg+0xe1/0x120
[    2.316732]  __sys_sendmsg+0xad/0x100
[    2.316798]  do_syscall_64+0x104/0xfc0
[    2.316860]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.316945] RIP: 0033:0x7f10d5f5808e
[    2.317004] 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
[    2.317142] RSP: 002b:00007ffdc50e7bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.317221] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f10d5f5808e
[    2.317297] RDX: 0000000000000000 RSI: 00007ffdc50e7c70 RDI: 0000000000000005
[    2.317374] RBP: 00007ffdc50e7bd0 R08: 0000000000000000 R09: 0000000000000000
[    2.317451] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db6e
[    2.317528] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc50e8340
[    2.317608]  </TASK>
[    2.317660] ---[ end trace 0000000000000000 ]---
[    2.326473] ------------[ cut here ]------------
[    2.326513] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/150
[    2.326572] Modules linked in: netconsole netdevsim
[    2.326602] CPU: 0 UID: 0 PID: 150 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.326659] Tainted: [W]=WARN
[    2.326682] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.326720] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.326748] 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
[    2.326848] RSP: 0018:ff835a92c039f9d0 EFLAGS: 00010286
[    2.326876] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.326934] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c36200
[    2.326975] RBP: 0000000000000000 R08: ff29fcf78321ad10 R09: ff29fcf7819b1030
[    2.327016] R10: ff29fcf781988118 R11: fefefefefefefeff R12: 0000000000000000
[    2.327060] R13: 0000000000000010 R14: ff29fcf781988000 R15: ff29fcf781c36200
[    2.327106] FS:  00007f19d5a0ab80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    2.327148] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.327185] CR2: 0000561925bd68e0 CR3: 0000000003263006 CR4: 0000000000771ef0
[    2.327226] PKRU: 55555554
[    2.327241] Call Trace:
[    2.327256]  <TASK>
[    2.327271]  rtmsg_ifinfo+0x3c/0xa0
[    2.327295]  register_netdevice+0x8e1/0xa70
[    2.327315]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    2.327347]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    2.327378]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    2.327411]  really_probe+0xc9/0x290
[    2.327435]  ? driver_probe_device+0xe0/0xe0
[    2.327467]  __driver_probe_device+0x8d/0x160
[    2.327501]  driver_probe_device+0x1f/0xe0
[    2.327520]  __device_attach_driver+0x71/0x100
[    2.327552]  bus_for_each_drv+0x9d/0x100
[    2.327574]  __device_attach+0xb0/0x1b0
[    2.327600]  device_initial_probe+0x4a/0x70
[    2.327622]  bus_probe_device+0x3c/0xb0
[    2.327645]  device_add+0x675/0x8a0
[    2.327674]  new_device_store+0x19b/0x2b0 [netdevsim]
[    2.327706]  kernfs_fop_write_iter+0x151/0x200
[    2.327744]  vfs_write+0x257/0x5c0
[    2.327769]  ksys_write+0x7b/0x110
[    2.327790]  do_syscall_64+0x104/0xfc0
[    2.327815]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.327843] RIP: 0033:0x7f19d5a7c08e
[    2.327867] 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
[    2.327980] RSP: 002b:00007ffd3430af40 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.328014] RAX: ffffffffffffffda RBX: 00007f19d5bfe580 RCX: 00007f19d5a7c08e
[    2.328053] RDX: 0000000000000004 RSI: 0000561938521920 RDI: 0000000000000001
[    2.328094] RBP: 00007ffd3430af50 R08: 0000000000000000 R09: 0000000000000000
[    2.328138] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.328185] R13: 0000000000000004 R14: 0000561938521920 R15: 0000000000000000
[    2.328231]  </TASK>
[    2.328246] ---[ end trace 0000000000000000 ]---
[    2.329327] ------------[ cut here ]------------
[    2.329366] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/150
[    2.329419] Modules linked in: netconsole netdevsim
[    2.329449] CPU: 0 UID: 0 PID: 150 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.329507] Tainted: [W]=WARN
[    2.329529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.329564] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.329594] 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
[    2.329686] RSP: 0018:ff835a92c039f9d0 EFLAGS: 00010286
[    2.329716] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.329758] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781df2600
[    2.329800] RBP: 0000000000000000 R08: ff29fcf7830d2b50 R09: ff29fcf78513f030
[    2.329844] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.329892] R13: 0000000000000010 R14: ff29fcf78742c000 R15: ff29fcf781df2600
[    2.329943] FS:  00007f19d5a0ab80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    2.329983] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.330020] CR2: 00005636c8952ae0 CR3: 0000000003263006 CR4: 0000000000771ef0
[    2.330062] PKRU: 55555554
[    2.330078] Call Trace:
[    2.330093]  <TASK>
[    2.330110]  rtmsg_ifinfo+0x3c/0xa0
[    2.330132]  register_netdevice+0x8e1/0xa70
[    2.330155]  nsim_create+0x3a9/0x3e0 [netdevsim]
[    2.330189]  __nsim_dev_port_add+0x1cc/0x420 [netdevsim]
[    2.330221]  nsim_drv_probe+0x667/0x760 [netdevsim]
[    2.330253]  really_probe+0xc9/0x290
[    2.330275]  ? driver_probe_device+0xe0/0xe0
[    2.330298]  __driver_probe_device+0x8d/0x160
[    2.330326]  driver_probe_device+0x1f/0xe0
[    2.330349]  __device_attach_driver+0x71/0x100
[    2.330377]  bus_for_each_drv+0x9d/0x100
[    2.330397]  __device_attach+0xb0/0x1b0
[    2.330418]  device_initial_probe+0x4a/0x70
[    2.330442]  bus_probe_device+0x3c/0xb0
[    2.330464]  device_add+0x675/0x8a0
[    2.330484]  new_device_store+0x19b/0x2b0 [netdevsim]
[    2.330515]  kernfs_fop_write_iter+0x151/0x200
[    2.330544]  vfs_write+0x257/0x5c0
[    2.330566]  ksys_write+0x7b/0x110
[    2.330591]  do_syscall_64+0x104/0xfc0
[    2.330612]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.330641] RIP: 0033:0x7f19d5a7c08e
[    2.330664] 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
[    2.330763] RSP: 002b:00007ffd3430af70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.330810] RAX: ffffffffffffffda RBX: 00007f19d5bfe580 RCX: 00007f19d5a7c08e
[    2.330857] RDX: 0000000000000004 RSI: 0000561938521920 RDI: 0000000000000001
[    2.330908] RBP: 00007ffd3430af80 R08: 0000000000000000 R09: 0000000000000000
[    2.330952] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.330993] R13: 0000000000000004 R14: 0000561938521920 R15: 0000000000000000
[    2.331033]  </TASK>
[    2.331048] ---[ end trace 0000000000000000 ]---
[    2.366941] ------------[ cut here ]------------
[    2.367000] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/191
[    2.367059] Modules linked in: netconsole netdevsim
[    2.367094] CPU: 0 UID: 0 PID: 191 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.367140] Tainted: [W]=WARN
[    2.367162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.367201] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.367233] 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
[    2.367328] RSP: 0018:ff835a92c03ef6d8 EFLAGS: 00010286
[    2.367358] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.367402] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7900
[    2.367445] RBP: 0000000000000000 R08: ff29fcf78321ad10 R09: ff29fcf78741e830
[    2.367490] R10: ff29fcf781988118 R11: fefefefefefefeff R12: ff835a92c03ef78c
[    2.367530] R13: 0000000000000011 R14: ff29fcf781988000 R15: ff29fcf7830f7900
[    2.367573] FS:  00007fb932d87840(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    2.367618] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.367649] CR2: 0000000037c2e988 CR3: 00000000033ce003 CR4: 0000000000771ef0
[    2.367695] PKRU: 55555554
[    2.367708] Call Trace:
[    2.367723]  <TASK>
[    2.367738]  rtmsg_ifinfo_newnet+0x33/0x70
[    2.367761]  __dev_change_net_namespace+0x407/0xc50
[    2.367792]  ? rtnl_getlink+0x459/0x5e0
[    2.367814]  do_setlink.isra.0+0xd7/0x1570
[    2.367833]  ? __nla_validate_parse+0x76/0xf20
[    2.367867]  rtnl_newlink+0x9c7/0xe10
[    2.367891]  ? kmalloc_reserve+0xa9/0x170
[    2.367912]  ? do_setlink.isra.0+0x1570/0x1570
[    2.367948]  rtnetlink_rcv_msg+0x39f/0x460
[    2.367976]  ? netlink_unicast+0x306/0x3a0
[    2.368001]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.368031]  netlink_rcv_skb+0xca/0x140
[    2.368053]  netlink_unicast+0x26b/0x3a0
[    2.368072]  netlink_sendmsg+0x1e2/0x430
[    2.368094]  ____sys_sendmsg+0x14c/0x2b0
[    2.368117]  ___sys_sendmsg+0xe1/0x120
[    2.368143]  __sys_sendmsg+0xad/0x100
[    2.368167]  do_syscall_64+0x104/0xfc0
[    2.368186]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.368216] RIP: 0033:0x7fb932fc108e
[    2.368238] 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
[    2.368336] RSP: 002b:00007ffe4045e050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.368378] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb932fc108e
[    2.368416] RDX: 0000000000000000 RSI: 00007ffe4045e100 RDI: 0000000000000005
[    2.368459] RBP: 00007ffe4045e060 R08: 0000000000000000 R09: 0000000000000000
[    2.368499] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db6e
[    2.368547] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4045e7c0
[    2.368590]  </TASK>
[    2.368605] ---[ end trace 0000000000000000 ]---
[    2.368671] ------------[ cut here ]------------
[    2.368698] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/191
[    2.368750] Modules linked in: netconsole netdevsim
[    2.368781] CPU: 0 UID: 0 PID: 191 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.368839] Tainted: [W]=WARN
[    2.368863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.368938] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.368968] 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
[    2.369059] RSP: 0018:ff835a92c03ef6c8 EFLAGS: 00010286
[    2.369089] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.369133] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf783071300
[    2.369178] RBP: 0000000000000000 R08: ff29fcf78321ad10 R09: ff29fcf78513f030
[    2.369218] R10: ff29fcf781988118 R11: fefefefefefefeff R12: 0000000000000000
[    2.369257] R13: 0000000000000010 R14: ff29fcf781988000 R15: ff29fcf783071300
[    2.369302] FS:  00007fb932d87840(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    2.369347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.369381] CR2: 0000000037c2e988 CR3: 00000000033ce003 CR4: 0000000000771ef0
[    2.369424] PKRU: 55555554
[    2.369438] Call Trace:
[    2.369457]  <TASK>
[    2.369470]  rtmsg_ifinfo+0x3c/0xa0
[    2.369494]  __dev_change_net_namespace+0x22e/0xc50
[    2.369517]  ? rtnl_getlink+0x459/0x5e0
[    2.369538]  do_setlink.isra.0+0xd7/0x1570
[    2.369560]  ? __nla_validate_parse+0x76/0xf20
[    2.369591]  rtnl_newlink+0x9c7/0xe10
[    2.369614]  ? kmalloc_reserve+0xa9/0x170
[    2.369638]  ? do_setlink.isra.0+0x1570/0x1570
[    2.369667]  rtnetlink_rcv_msg+0x39f/0x460
[    2.369690]  ? netlink_unicast+0x306/0x3a0
[    2.369712]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.369744]  netlink_rcv_skb+0xca/0x140
[    2.369768]  netlink_unicast+0x26b/0x3a0
[    2.369789]  netlink_sendmsg+0x1e2/0x430
[    2.369807]  ____sys_sendmsg+0x14c/0x2b0
[    2.369829]  ___sys_sendmsg+0xe1/0x120
[    2.369853]  __sys_sendmsg+0xad/0x100
[    2.369874]  do_syscall_64+0x104/0xfc0
[    2.369899]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.369930] RIP: 0033:0x7fb932fc108e
[    2.369955] 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
[    2.370044] RSP: 002b:00007ffe4045e050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.370088] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb932fc108e
[    2.370130] RDX: 0000000000000000 RSI: 00007ffe4045e100 RDI: 0000000000000005
[    2.370171] RBP: 00007ffe4045e060 R08: 0000000000000000 R09: 0000000000000000
[    2.370221] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db6e
[    2.370261] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4045e7c0
[    2.370302]  </TASK>
[    2.370315] ---[ end trace 0000000000000000 ]---
[    2.381506] ------------[ cut here ]------------
[    2.381545] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/193
[    2.381594] Modules linked in: netconsole netdevsim
[    2.381621] CPU: 0 UID: 0 PID: 193 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.381679] Tainted: [W]=WARN
[    2.381701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.381735] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.381761] 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
[    2.381861] RSP: 0018:ff835a92c04eb720 EFLAGS: 00010286
[    2.381893] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.381945] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf78306dc00
[    2.381989] RBP: 0000000000000000 R08: ff29fcf78321ad10 R09: ff29fcf78513f030
[    2.382029] R10: ff29fcf781988118 R11: fefefefefefefeff R12: 0000000000000000
[    2.382071] R13: 0000000000000010 R14: ff29fcf781988000 R15: ff29fcf78306dc00
[    2.382116] FS:  00007f852f34f840(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    2.382161] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.382196] CR2: 0000000034fb9988 CR3: 000000000535a001 CR4: 0000000000771ef0
[    2.382240] PKRU: 55555554
[    2.382253] Call Trace:
[    2.382266]  <TASK>
[    2.382281]  rtmsg_ifinfo+0x3c/0xa0
[    2.382302]  __dev_notify_flags+0xb1/0xf0
[    2.382326]  ? rtnl_getlink+0x456/0x5e0
[    2.382353]  netif_change_flags+0x54/0x70
[    2.382374]  do_setlink.isra.0+0x390/0x1570
[    2.382398]  ? __nla_validate_parse+0x76/0xf20
[    2.382425]  rtnl_newlink+0x9c7/0xe10
[    2.382447]  ? kmalloc_reserve+0xa9/0x170
[    2.382469]  ? do_setlink.isra.0+0x1570/0x1570
[    2.382495]  rtnetlink_rcv_msg+0x39f/0x460
[    2.382518]  ? netlink_unicast+0x306/0x3a0
[    2.382541]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.382575]  netlink_rcv_skb+0xca/0x140
[    2.382598]  netlink_unicast+0x26b/0x3a0
[    2.382623]  netlink_sendmsg+0x1e2/0x430
[    2.382643]  ____sys_sendmsg+0x14c/0x2b0
[    2.382664]  ___sys_sendmsg+0xe1/0x120
[    2.382687]  __sys_sendmsg+0xad/0x100
[    2.382709]  do_syscall_64+0x104/0xfc0
[    2.382733]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.382762] RIP: 0033:0x7f852f58908e
[    2.382785] 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
[    2.382887] RSP: 002b:00007ffdd1877350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.382932] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f852f58908e
[    2.382974] RDX: 0000000000000000 RSI: 00007ffdd1877400 RDI: 0000000000000005
[    2.383016] RBP: 00007ffdd1877360 R08: 0000000000000000 R09: 0000000000000000
[    2.383059] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db6e
[    2.383103] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd1877ac0
[    2.383147]  </TASK>
[    2.383161] ---[ end trace 0000000000000000 ]---
[    2.388827] ------------[ cut here ]------------
[    2.388865] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/195
[    2.388916] Modules linked in: netconsole netdevsim
[    2.388953] CPU: 0 UID: 0 PID: 195 Comm: ip Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.389005] Tainted: [W]=WARN
[    2.389028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.389065] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.389094] 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
[    2.389189] RSP: 0018:ff835a92c04f3720 EFLAGS: 00010286
[    2.389217] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.389259] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c36500
[    2.389305] RBP: 0000000000000000 R08: ff29fcf7830d2b50 R09: ff29fcf78513f030
[    2.389346] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.389384] R13: 0000000000000010 R14: ff29fcf78742c000 R15: ff29fcf781c36500
[    2.389425] FS:  00007f171c06e840(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    2.389466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.389500] CR2: 0000000013a89988 CR3: 0000000005362004 CR4: 0000000000771ef0
[    2.389548] PKRU: 55555554
[    2.389562] Call Trace:
[    2.389577]  <TASK>
[    2.389592]  rtmsg_ifinfo+0x3c/0xa0
[    2.389614]  __dev_notify_flags+0xb1/0xf0
[    2.389636]  ? rtnl_getlink+0x456/0x5e0
[    2.389659]  netif_change_flags+0x54/0x70
[    2.389680]  do_setlink.isra.0+0x390/0x1570
[    2.389704]  ? __nla_validate_parse+0x76/0xf20
[    2.389736]  rtnl_newlink+0x9c7/0xe10
[    2.389759]  ? kmalloc_reserve+0xa9/0x170
[    2.389782]  ? do_setlink.isra.0+0x1570/0x1570
[    2.389812]  rtnetlink_rcv_msg+0x39f/0x460
[    2.389835]  ? netlink_unicast+0x306/0x3a0
[    2.389859]  ? rtnl_calcit.isra.0+0x160/0x160
[    2.389892]  netlink_rcv_skb+0xca/0x140
[    2.389916]  netlink_unicast+0x26b/0x3a0
[    2.389945]  netlink_sendmsg+0x1e2/0x430
[    2.389971]  ____sys_sendmsg+0x14c/0x2b0
[    2.389994]  ___sys_sendmsg+0xe1/0x120
[    2.390017]  __sys_sendmsg+0xad/0x100
[    2.390040]  do_syscall_64+0x104/0xfc0
[    2.390066]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.390097] RIP: 0033:0x7f171c2a808e
[    2.390119] 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
[    2.390220] RSP: 002b:00007ffc3867f3c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.390264] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f171c2a808e
[    2.390312] RDX: 0000000000000000 RSI: 00007ffc3867f470 RDI: 0000000000000005
[    2.390354] RBP: 00007ffc3867f3d0 R08: 0000000000000000 R09: 0000000000000000
[    2.390401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10db6e
[    2.390447] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3867fb30
[    2.390492]  </TASK>
[    2.390507] ---[ end trace 0000000000000000 ]---
[    2.397137] ------------[ cut here ]------------
[    2.397189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: bash/150
[    2.397243] Modules linked in: netconsole netdevsim
[    2.397277] CPU: 0 UID: 0 PID: 150 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.397333] Tainted: [W]=WARN
[    2.397356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.397396] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.397422] 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
[    2.397522] RSP: 0018:ff835a92c039fb18 EFLAGS: 00010286
[    2.397552] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.397597] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7f00
[    2.397637] RBP: 0000000000000000 R08: ff29fcf78321ad10 R09: ff29fcf78513f030
[    2.397683] R10: ff29fcf781988118 R11: fefefefefefefeff R12: 0000000000000000
[    2.397728] R13: 0000000000000010 R14: ff29fcf781988000 R15: ff29fcf7830f7f00
[    2.397766] FS:  00007f19d5a0ab80(0000) GS:ff29fcf83125a000(0000) knlGS:0000000000000000
[    2.397813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.397852] CR2: 0000561925bd6620 CR3: 0000000003263005 CR4: 0000000000771ef0
[    2.397906] PKRU: 55555554
[    2.397920] Call Trace:
[    2.397947]  <TASK>
[    2.397961]  rtmsg_ifinfo+0x3c/0xa0
[    2.397985]  netif_close_many+0xed/0x190
[    2.398008]  unregister_netdevice_many_notify+0x118/0xa40
[    2.398039]  ? __destroy_inode+0x1a/0xc0
[    2.398060]  unregister_netdevice_queue+0x9e/0xd0
[    2.398090]  nsim_destroy+0x91/0x200 [netdevsim]
[    2.398124]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    2.398151]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    2.398184]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    2.398213]  device_release_driver_internal+0x19a/0x200
[    2.398242]  bus_remove_device+0xed/0x1b0
[    2.398264]  ? device_remove_attrs+0xb3/0x100
[    2.398295]  device_del+0x158/0x450
[    2.398318]  device_unregister+0x12/0x30
[    2.398337]  del_device_store+0x122/0x190 [netdevsim]
[    2.398367]  kernfs_fop_write_iter+0x151/0x200
[    2.398396]  vfs_write+0x257/0x5c0
[    2.398418]  ksys_write+0x7b/0x110
[    2.398442]  do_syscall_64+0x104/0xfc0
[    2.398463]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.398488] RIP: 0033:0x7f19d5a7c08e
[    2.398511] 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
[    2.398604] RSP: 002b:00007ffd3430b300 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.398648] RAX: ffffffffffffffda RBX: 00007f19d5bfe580 RCX: 00007f19d5a7c08e
[    2.398689] RDX: 0000000000000004 RSI: 0000561938521920 RDI: 0000000000000001
[    2.398732] RBP: 00007ffd3430b310 R08: 0000000000000000 R09: 0000000000000000
[    2.398777] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.398822] R13: 0000000000000004 R14: 0000561938521920 R15: 0000000000000000
[    2.398862]  </TASK>
[    2.398879] ---[ end trace 0000000000000000 ]---
[    2.400959] ------------[ cut here ]------------
[    2.400998] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/150
[    2.401084] Modules linked in: netconsole netdevsim
[    2.401133] CPU: 3 UID: 0 PID: 150 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.401183] Tainted: [W]=WARN
[    2.401202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.401253] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.401293] 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
[    2.401411] RSP: 0018:ff835a92c039fb88 EFLAGS: 00010286
[    2.401455] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.401514] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7900
[    2.401560] RBP: 0000000000000000 R08: ff29fcf78321ad10 R09: ff29fcf78741a030
[    2.401598] R10: ff29fcf781988118 R11: fefefefefefefeff R12: 0000000000000000
[    2.401651] R13: 0000000000000011 R14: ff29fcf781988000 R15: ff29fcf7830f7900
[    2.401717] FS:  00007f19d5a0ab80(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    2.401767] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.401814] CR2: 00007f44b61da2a0 CR3: 0000000003263002 CR4: 0000000000771ef0
[    2.401867] PKRU: 55555554
[    2.401882] Call Trace:
[    2.401902]  <TASK>
[    2.401919]  unregister_netdevice_many_notify+0x595/0xa40
[    2.401959]  unregister_netdevice_queue+0x9e/0xd0
[    2.402007]  nsim_destroy+0x91/0x200 [netdevsim]
[    2.402052]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    2.402087]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    2.402124]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    2.402158]  device_release_driver_internal+0x19a/0x200
[    2.402195]  bus_remove_device+0xed/0x1b0
[    2.402218]  ? device_remove_attrs+0xb3/0x100
[    2.402255]  device_del+0x158/0x450
[    2.402278]  device_unregister+0x12/0x30
[    2.402299]  del_device_store+0x122/0x190 [netdevsim]
[    2.402341]  kernfs_fop_write_iter+0x151/0x200
[    2.402375]  vfs_write+0x257/0x5c0
[    2.402397]  ksys_write+0x7b/0x110
[    2.402427]  do_syscall_64+0x104/0xfc0
[    2.402451]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.402488] RIP: 0033:0x7f19d5a7c08e
[    2.402518] 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
[    2.402625] RSP: 002b:00007ffd3430b300 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.402670] RAX: ffffffffffffffda RBX: 00007f19d5bfe580 RCX: 00007f19d5a7c08e
[    2.402717] RDX: 0000000000000004 RSI: 0000561938521920 RDI: 0000000000000001
[    2.402769] RBP: 00007ffd3430b310 R08: 0000000000000000 R09: 0000000000000000
[    2.402816] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.402863] R13: 0000000000000004 R14: 0000561938521920 R15: 0000000000000000
[    2.402922]  </TASK>
[    2.402939] ---[ end trace 0000000000000000 ]---
[    2.425116] ------------[ cut here ]------------
[    2.425166] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/150
[    2.425223] Modules linked in: netconsole netdevsim
[    2.425255] CPU: 3 UID: 0 PID: 150 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.425315] Tainted: [W]=WARN
[    2.425336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.425372] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.425403] 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
[    2.425499] RSP: 0018:ff835a92c039fb18 EFLAGS: 00010286
[    2.425532] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.425577] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781df2900
[    2.425620] RBP: 0000000000000000 R08: ff29fcf7830d2b50 R09: ff29fcf7819b2030
[    2.425662] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.425706] R13: 0000000000000010 R14: ff29fcf78742c000 R15: ff29fcf781df2900
[    2.425755] FS:  00007f19d5a0ab80(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    2.425800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.425835] CR2: 00007f44b61da2a0 CR3: 0000000003263002 CR4: 0000000000771ef0
[    2.425877] PKRU: 55555554
[    2.425894] Call Trace:
[    2.425910]  <TASK>
[    2.425924]  rtmsg_ifinfo+0x3c/0xa0
[    2.425949]  netif_close_many+0xed/0x190
[    2.425971]  unregister_netdevice_many_notify+0x118/0xa40
[    2.426000]  ? __destroy_inode+0x1a/0xc0
[    2.426024]  unregister_netdevice_queue+0x9e/0xd0
[    2.426054]  nsim_destroy+0x91/0x200 [netdevsim]
[    2.426086]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    2.426114]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    2.426143]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    2.426172]  device_release_driver_internal+0x19a/0x200
[    2.426202]  bus_remove_device+0xed/0x1b0
[    2.426223]  ? device_remove_attrs+0xb3/0x100
[    2.426252]  device_del+0x158/0x450
[    2.426276]  device_unregister+0x12/0x30
[    2.426298]  del_device_store+0x122/0x190 [netdevsim]
[    2.426327]  kernfs_fop_write_iter+0x151/0x200
[    2.426356]  vfs_write+0x257/0x5c0
[    2.426379]  ksys_write+0x7b/0x110
[    2.426401]  do_syscall_64+0x104/0xfc0
[    2.426424]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.426454] RIP: 0033:0x7f19d5a7c08e
[    2.426474] 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
[    2.426572] RSP: 002b:00007ffd3430b400 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.426612] RAX: ffffffffffffffda RBX: 00007f19d5bfe580 RCX: 00007f19d5a7c08e
[    2.426656] RDX: 0000000000000004 RSI: 0000561938521920 RDI: 0000000000000001
[    2.426699] RBP: 00007ffd3430b410 R08: 0000000000000000 R09: 0000000000000000
[    2.426740] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.426780] R13: 0000000000000004 R14: 0000561938521920 R15: 0000000000000000
[    2.426826]  </TASK>
[    2.426842] ---[ end trace 0000000000000000 ]---
[    2.426951] ------------[ cut here ]------------
[    2.426979] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: bash/150
[    2.427031] Modules linked in: netconsole netdevsim
[    2.427062] CPU: 3 UID: 0 PID: 150 Comm: bash Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.427124] Tainted: [W]=WARN
[    2.427146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.427184] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.427214] 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
[    2.427317] RSP: 0018:ff835a92c039fb88 EFLAGS: 00010286
[    2.427347] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.427390] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf7830f7900
[    2.427432] RBP: 0000000000000000 R08: ff29fcf7830d2b50 R09: ff29fcf787431830
[    2.427476] R10: ff29fcf78742c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.427517] R13: 0000000000000011 R14: ff29fcf78742c000 R15: ff29fcf7830f7900
[    2.427559] FS:  00007f19d5a0ab80(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    2.427602] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.427643] CR2: 00007f44b61da2a0 CR3: 0000000003263002 CR4: 0000000000771ef0
[    2.427685] PKRU: 55555554
[    2.427697] Call Trace:
[    2.427712]  <TASK>
[    2.427727]  unregister_netdevice_many_notify+0x595/0xa40
[    2.427757]  unregister_netdevice_queue+0x9e/0xd0
[    2.427786]  nsim_destroy+0x91/0x200 [netdevsim]
[    2.427814]  __nsim_dev_port_del+0x46/0x90 [netdevsim]
[    2.427843]  nsim_dev_reload_destroy+0x74/0x170 [netdevsim]
[    2.427872]  nsim_drv_remove+0x2f/0xb0 [netdevsim]
[    2.427908]  device_release_driver_internal+0x19a/0x200
[    2.427938]  bus_remove_device+0xed/0x1b0
[    2.427961]  ? device_remove_attrs+0xb3/0x100
[    2.427989]  device_del+0x158/0x450
[    2.428010]  device_unregister+0x12/0x30
[    2.428033]  del_device_store+0x122/0x190 [netdevsim]
[    2.428059]  kernfs_fop_write_iter+0x151/0x200
[    2.428090]  vfs_write+0x257/0x5c0
[    2.428115]  ksys_write+0x7b/0x110
[    2.428138]  do_syscall_64+0x104/0xfc0
[    2.428160]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[    2.428190] RIP: 0033:0x7f19d5a7c08e
[    2.428210] 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
[    2.428312] RSP: 002b:00007ffd3430b400 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.428359] RAX: ffffffffffffffda RBX: 00007f19d5bfe580 RCX: 00007f19d5a7c08e
[    2.428401] RDX: 0000000000000004 RSI: 0000561938521920 RDI: 0000000000000001
[    2.428441] RBP: 00007ffd3430b410 R08: 0000000000000000 R09: 0000000000000000
[    2.428485] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    2.428527] R13: 0000000000000004 R14: 0000561938521920 R15: 0000000000000000
[    2.428567]  </TASK>
[    2.428580] ---[ end trace 0000000000000000 ]---
[    2.466487] ------------[ cut here ]------------
[    2.466527] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[    2.466590] Modules linked in: netconsole netdevsim
[    2.466622] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.466688] Tainted: [W]=WARN
[    2.466709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.466741] Workqueue: netns cleanup_net
[    2.466768] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.466803] 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
[    2.466907] RSP: 0018:ff835a92c023fc08 EFLAGS: 00010286
[    2.466940] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.466982] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c36b00
[    2.467022] RBP: 0000000000000000 R08: ff29fcf78321a4d0 R09: ff29fcf7819b102c
[    2.467061] R10: ff29fcf7819b5118 R11: fefefefefefefeff R12: 0000000000000000
[    2.467109] R13: 0000000000000010 R14: ff29fcf7819b5000 R15: ff29fcf781c36b00
[    2.467157] FS:  0000000000000000(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    2.467202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.467240] CR2: 00007f19d5c1bf98 CR3: 000000002a442004 CR4: 0000000000771ef0
[    2.467284] PKRU: 55555554
[    2.467299] Call Trace:
[    2.467312]  <TASK>
[    2.467329]  rtmsg_ifinfo+0x3c/0xa0
[    2.467349]  netif_close_many+0xed/0x190
[    2.467374]  unregister_netdevice_many_notify+0x215/0xa40
[    2.467404]  default_device_exit_batch+0x328/0x3a0
[    2.467435]  ops_undo_list+0x10b/0x240
[    2.467456]  cleanup_net+0x1d7/0x2e0
[    2.467476]  process_one_work+0x162/0x360
[    2.467501]  worker_thread+0x16e/0x2d0
[    2.467520]  ? rescuer_thread+0x510/0x510
[    2.467544]  kthread+0xe1/0x120
[    2.467568]  ? kthread_park+0xa0/0xa0
[    2.467591]  ret_from_fork+0x16d/0x250
[    2.467616]  ? kthread_park+0xa0/0xa0
[    2.467638]  ret_from_fork_asm+0x11/0x20
[    2.467661]  </TASK>
[    2.467675] ---[ end trace 0000000000000000 ]---
[    2.467770] ------------[ cut here ]------------
[    2.467797] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[    2.467848] Modules linked in: netconsole netdevsim
[    2.467876] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[    2.467941] Tainted: [W]=WARN
[    2.467962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.467998] Workqueue: netns cleanup_net
[    2.468019] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[    2.468047] 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
[    2.468148] RSP: 0018:ff835a92c023fc78 EFLAGS: 00010286
[    2.468177] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.468219] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff29fcf781c36b00
[    2.468266] RBP: 0000000000000000 R08: ff29fcf78321a4d0 R09: ff29fcf78513382c
[    2.468310] R10: ff29fcf7819b5118 R11: fefefefefefefeff R12: 0000000000000000
[    2.468349] R13: 0000000000000011 R14: ff29fcf7819b5000 R15: ff29fcf781c36b00
[    2.468393] FS:  0000000000000000(0000) GS:ff29fcf8313da000(0000) knlGS:0000000000000000
[    2.468437] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.468473] CR2: 00007f19d5c1bf98 CR3: 00000000051d0006 CR4: 0000000000771ef0
[    2.468514] PKRU: 55555554
[    2.468532] Call Trace:
[    2.468547]  <TASK>
[    2.468562]  unregister_netdevice_many_notify+0x595/0xa40
[    2.468591]  default_device_exit_batch+0x328/0x3a0
[    2.468625]  ops_undo_list+0x10b/0x240
[    2.468645]  cleanup_net+0x1d7/0x2e0
[    2.468671]  process_one_work+0x162/0x360
[    2.468696]  worker_thread+0x16e/0x2d0
[    2.468721]  ? rescuer_thread+0x510/0x510
[    2.468744]  kthread+0xe1/0x120
[    2.468765]  ? kthread_park+0xa0/0xa0
[    2.468788]  ret_from_fork+0x16d/0x250
[    2.468808]  ? kthread_park+0xa0/0xa0
[    2.468831]  ret_from_fork_asm+0x11/0x20
[    2.468854]  </TASK>
[    2.468868] ---[ end trace 0000000000000000 ]---