[  107.659015] ------------[ cut here ]------------
[  107.659106] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[  107.659172] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[  107.659228] Tainted: [W]=WARN
[  107.659246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.659283] Workqueue: netns cleanup_net
[  107.659308] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[  107.659336] Code: 80 00 00 00 e8 59 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 76 ac fb ff b9 a6 ff ff
[  107.659426] RSP: 0018:ff4230410023fce8 EFLAGS: 00010286
[  107.659459] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  107.659495] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef030abd00
[  107.659533] RBP: 0000000000000000 R08: ff1e72ef02e89790 R09: ff1e72ef0494e830
[  107.659571] R10: ff1e72ef04b9f120 R11: fefefefefefefeff R12: 0000000000000000
[  107.659615] R13: 0000000000000011 R14: ff1e72ef04b9f000 R15: ff1e72ef030abd00
[  107.659660] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[  107.659698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.659733] CR2: 0000556761918470 CR3: 0000000002eba001 CR4: 0000000000771ef0
[  107.659777] PKRU: 55555554
[  107.659800] Call Trace:
[  107.659883]  <TASK>
[  107.659909]  unregister_netdevice_many_notify+0x877/0x9d0
[  107.659946]  ops_undo_list+0x20a/0x240
[  107.659971]  cleanup_net+0x1d7/0x2e0
[  107.659996]  process_one_work+0x162/0x360
[  107.660023]  worker_thread+0x16e/0x2d0
[  107.660047]  ? rescuer_thread+0x510/0x510
[  107.660068]  kthread+0xe1/0x120
[  107.660093]  ? kthread_park+0xa0/0xa0
[  107.660114]  ret_from_fork+0x16d/0x250
[  107.660139]  ? kthread_park+0xa0/0xa0
[  107.660160]  ret_from_fork_asm+0x11/0x20
[  107.660187]  </TASK>
[  107.660201] ---[ end trace 0000000000000000 ]---
[  107.668892] ------------[ cut here ]------------
[  107.668932] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[  107.668989] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[  107.669041] Tainted: [W]=WARN
[  107.669062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.669096] Workqueue: netns cleanup_net
[  107.669117] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[  107.669142] Code: 80 00 00 00 e8 59 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 76 ac fb ff b9 a6 ff ff
[  107.669228] RSP: 0018:ff4230410023fc08 EFLAGS: 00010286
[  107.669255] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[  107.669296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef030abd00
[  107.669335] RBP: 0000000000000000 R08: ff1e72ef0312ae90 R09: ff1e72ef04b9f034
[  107.669374] R10: ff1e72ef0637f120 R11: fefefefefefefeff R12: 0000000000000000
[  107.669413] R13: 0000000000000010 R14: ff1e72ef0637f000 R15: ff1e72ef030abd00
[  107.669454] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[  107.669499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.669530] CR2: 0000556761918470 CR3: 0000000002eba001 CR4: 0000000000771ef0
[  107.669565] PKRU: 55555554
[  107.669579] Call Trace:
[  107.669590]  <TASK>
[  107.669607]  rtmsg_ifinfo+0x3c/0xa0
[  107.669628]  netif_close_many+0xed/0x190
[  107.669651]  unregister_netdevice_many_notify+0x267/0x9d0
[  107.669678]  default_device_exit_batch+0x318/0x390
[  107.669703]  ops_undo_list+0x10b/0x240
[  107.669727]  cleanup_net+0x1d7/0x2e0
[  107.669749]  process_one_work+0x162/0x360
[  107.669769]  worker_thread+0x16e/0x2d0
[  107.669792]  ? rescuer_thread+0x510/0x510
[  107.669823]  kthread+0xe1/0x120
[  107.669845]  ? kthread_park+0xa0/0xa0
[  107.669868]  ret_from_fork+0x16d/0x250
[  107.669900]  ? kthread_park+0xa0/0xa0
[  107.669922]  ret_from_fork_asm+0x11/0x20
[  107.669944]  </TASK>
[  107.669958] ---[ end trace 0000000000000000 ]---
[  107.670026] ------------[ cut here ]------------
[  107.670053] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[  107.670108] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[  107.670162] Tainted: [W]=WARN
[  107.670187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.670221] Workqueue: netns cleanup_net
[  107.670243] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[  107.670271] Code: 80 00 00 00 e8 59 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 76 ac fb ff b9 a6 ff ff
[  107.670359] RSP: 0018:ff4230410023fc78 EFLAGS: 00010286
[  107.670387] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  107.670422] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef030abd00
[  107.670468] RBP: 0000000000000000 R08: ff1e72ef0312ae90 R09: ff1e72ef02ef8034
[  107.670504] R10: ff1e72ef0637f120 R11: fefefefefefefeff R12: 0000000000000000
[  107.670542] R13: 0000000000000011 R14: ff1e72ef0637f000 R15: ff1e72ef030abd00
[  107.670583] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[  107.670625] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.670663] CR2: 0000556761918470 CR3: 0000000002eba001 CR4: 0000000000771ef0
[  107.670701] PKRU: 55555554
[  107.670715] Call Trace:
[  107.670730]  <TASK>
[  107.670746]  unregister_netdevice_many_notify+0x877/0x9d0
[  107.670772]  default_device_exit_batch+0x318/0x390
[  107.670801]  ops_undo_list+0x10b/0x240
[  107.670821]  cleanup_net+0x1d7/0x2e0
[  107.670843]  process_one_work+0x162/0x360
[  107.670865]  worker_thread+0x16e/0x2d0
[  107.670887]  ? rescuer_thread+0x510/0x510
[  107.670910]  kthread+0xe1/0x120
[  107.670930]  ? kthread_park+0xa0/0xa0
[  107.670951]  ret_from_fork+0x16d/0x250
[  107.670970]  ? kthread_park+0xa0/0xa0
[  107.670991]  ret_from_fork_asm+0x11/0x20
[  107.671016]  </TASK>
[  107.671030] ---[ end trace 0000000000000000 ]---
[  107.671110] ------------[ cut here ]------------
[  107.671137] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[  107.671194] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[  107.671247] Tainted: [W]=WARN
[  107.671265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.671295] Workqueue: netns cleanup_net
[  107.671314] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[  107.671339] Code: 80 00 00 00 e8 59 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 76 ac fb ff b9 a6 ff ff
[  107.671432] RSP: 0018:ff4230410023fc78 EFLAGS: 00010286
[  107.671460] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  107.671499] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef030abd00
[  107.671537] RBP: 0000000000000000 R08: ff1e72ef03000c10 R09: ff1e72ef0494a82c
[  107.671576] R10: ff1e72ef04b69120 R11: fefefefefefefeff R12: 0000000000000000
[  107.671613] R13: 0000000000000011 R14: ff1e72ef04b69000 R15: ff1e72ef030abd00
[  107.671655] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[  107.671698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.671731] CR2: 0000556761918470 CR3: 0000000002eba001 CR4: 0000000000771ef0
[  107.671769] PKRU: 55555554
[  107.671783] Call Trace:
[  107.671799]  <TASK>
[  107.671815]  unregister_netdevice_many_notify+0x877/0x9d0
[  107.671843]  default_device_exit_batch+0x318/0x390
[  107.671869]  ops_undo_list+0x10b/0x240
[  107.671892]  cleanup_net+0x1d7/0x2e0
[  107.671913]  process_one_work+0x162/0x360
[  107.671933]  worker_thread+0x16e/0x2d0
[  107.671953]  ? rescuer_thread+0x510/0x510
[  107.671972]  kthread+0xe1/0x120
[  107.671993]  ? kthread_park+0xa0/0xa0
[  107.672013]  ret_from_fork+0x16d/0x250
[  107.672034]  ? kthread_park+0xa0/0xa0
[  107.672053]  ret_from_fork_asm+0x11/0x20
[  107.672074]  </TASK>
[  107.672087] ---[ end trace 0000000000000000 ]---
[  107.696885] ------------[ cut here ]------------
[  107.696931] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[  107.696988] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[  107.697042] Tainted: [W]=WARN
[  107.697062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.697096] Workqueue: netns cleanup_net
[  107.697120] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[  107.697147] Code: 80 00 00 00 e8 59 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 76 ac fb ff b9 a6 ff ff
[  107.697250] RSP: 0018:ff4230410023fce8 EFLAGS: 00010286
[  107.697277] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  107.697320] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef030abd00
[  107.697364] RBP: 0000000000000000 R08: ff1e72ef0482ae10 R09: ff1e72ef04b87030
[  107.697414] R10: ff1e72ef04b9a120 R11: fefefefefefefeff R12: 0000000000000000
[  107.697463] R13: 0000000000000011 R14: ff1e72ef04b9a000 R15: ff1e72ef030abd00
[  107.697510] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[  107.697555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.697593] CR2: 0000556761918470 CR3: 0000000002eba001 CR4: 0000000000771ef0
[  107.697634] PKRU: 55555554
[  107.697650] Call Trace:
[  107.697664]  <TASK>
[  107.697679]  unregister_netdevice_many_notify+0x877/0x9d0
[  107.697707]  ops_undo_list+0x20a/0x240
[  107.697728]  cleanup_net+0x1d7/0x2e0
[  107.697749]  process_one_work+0x162/0x360
[  107.697771]  worker_thread+0x16e/0x2d0
[  107.697802]  ? rescuer_thread+0x510/0x510
[  107.697825]  kthread+0xe1/0x120
[  107.697844]  ? kthread_park+0xa0/0xa0
[  107.697870]  ret_from_fork+0x16d/0x250
[  107.697893]  ? kthread_park+0xa0/0xa0
[  107.697913]  ret_from_fork_asm+0x11/0x20
[  107.697935]  </TASK>
[  107.697949] ---[ end trace 0000000000000000 ]---
[  107.706865] ------------[ cut here ]------------
[  107.706897] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[  107.706957] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[  107.707014] Tainted: [W]=WARN
[  107.707034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.707068] Workqueue: netns cleanup_net
[  107.707092] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[  107.707120] Code: 80 00 00 00 e8 59 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 76 ac fb ff b9 a6 ff ff
[  107.707219] RSP: 0018:ff4230410023fc08 EFLAGS: 00010286
[  107.707245] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[  107.707288] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef030abd00
[  107.707330] RBP: 0000000000000000 R08: ff1e72ef05eb6290 R09: ff1e72ef04b9a034
[  107.707378] R10: ff1e72ef02f02120 R11: fefefefefefefeff R12: 0000000000000000
[  107.707411] R13: 0000000000000010 R14: ff1e72ef02f02000 R15: ff1e72ef030abd00
[  107.707452] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[  107.707498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.707531] CR2: 0000556761918470 CR3: 0000000002eba001 CR4: 0000000000771ef0
[  107.707572] PKRU: 55555554
[  107.707585] Call Trace:
[  107.707600]  <TASK>
[  107.707614]  rtmsg_ifinfo+0x3c/0xa0
[  107.707636]  netif_close_many+0xed/0x190
[  107.707654]  unregister_netdevice_many_notify+0x267/0x9d0
[  107.707684]  default_device_exit_batch+0x318/0x390
[  107.707714]  ops_undo_list+0x10b/0x240
[  107.707736]  cleanup_net+0x1d7/0x2e0
[  107.707763]  process_one_work+0x162/0x360
[  107.707790]  worker_thread+0x16e/0x2d0
[  107.707812]  ? rescuer_thread+0x510/0x510
[  107.707835]  kthread+0xe1/0x120
[  107.707862]  ? kthread_park+0xa0/0xa0
[  107.707885]  ret_from_fork+0x16d/0x250
[  107.707902]  ? kthread_park+0xa0/0xa0
[  107.707921]  ret_from_fork_asm+0x11/0x20
[  107.707943]  </TASK>
[  107.707957] ---[ end trace 0000000000000000 ]---
[  107.708018] ------------[ cut here ]------------
[  107.708045] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[  107.708101] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[  107.708156] Tainted: [W]=WARN
[  107.708175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.708209] Workqueue: netns cleanup_net
[  107.708233] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[  107.708262] Code: 80 00 00 00 e8 59 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 76 ac fb ff b9 a6 ff ff
[  107.708357] RSP: 0018:ff4230410023fc78 EFLAGS: 00010286
[  107.708387] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  107.708428] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef030abd00
[  107.708461] RBP: 0000000000000000 R08: ff1e72ef05eb6290 R09: ff1e72ef01256834
[  107.708502] R10: ff1e72ef02f02120 R11: fefefefefefefeff R12: 0000000000000000
[  107.708545] R13: 0000000000000011 R14: ff1e72ef02f02000 R15: ff1e72ef030abd00
[  107.708590] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[  107.708630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.708662] CR2: 0000556761918470 CR3: 0000000002eba001 CR4: 0000000000771ef0
[  107.708703] PKRU: 55555554
[  107.708718] Call Trace:
[  107.708732]  <TASK>
[  107.708746]  unregister_netdevice_many_notify+0x877/0x9d0
[  107.708777]  default_device_exit_batch+0x318/0x390
[  107.708806]  ops_undo_list+0x10b/0x240
[  107.708826]  cleanup_net+0x1d7/0x2e0
[  107.708845]  process_one_work+0x162/0x360
[  107.708868]  worker_thread+0x16e/0x2d0
[  107.708890]  ? rescuer_thread+0x510/0x510
[  107.708913]  kthread+0xe1/0x120
[  107.708932]  ? kthread_park+0xa0/0xa0
[  107.708951]  ret_from_fork+0x16d/0x250
[  107.708971]  ? kthread_park+0xa0/0xa0
[  107.708994]  ret_from_fork_asm+0x11/0x20
[  107.709015]  </TASK>
[  107.709027] ---[ end trace 0000000000000000 ]---
[  107.709099] ------------[ cut here ]------------
[  107.709126] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[  107.709183] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[  107.709242] Tainted: [W]=WARN
[  107.709264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.709300] Workqueue: netns cleanup_net
[  107.709322] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[  107.709349] Code: 80 00 00 00 e8 59 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 76 ac fb ff b9 a6 ff ff
[  107.709449] RSP: 0018:ff4230410023fc78 EFLAGS: 00010286
[  107.709477] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  107.709521] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef030abd00
[  107.709563] RBP: 0000000000000000 R08: ff1e72ef0482ad10 R09: ff1e72ef04b9182c
[  107.709605] R10: ff1e72ef04b75120 R11: fefefefefefefeff R12: 0000000000000000
[  107.709651] R13: 0000000000000011 R14: ff1e72ef04b75000 R15: ff1e72ef030abd00
[  107.709693] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[  107.709735] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.709762] CR2: 0000556761918470 CR3: 0000000002eba001 CR4: 0000000000771ef0
[  107.709810] PKRU: 55555554
[  107.709825] Call Trace:
[  107.709841]  <TASK>
[  107.709858]  unregister_netdevice_many_notify+0x877/0x9d0
[  107.709881]  default_device_exit_batch+0x318/0x390
[  107.709907]  ops_undo_list+0x10b/0x240
[  107.709929]  cleanup_net+0x1d7/0x2e0
[  107.709951]  process_one_work+0x162/0x360
[  107.709970]  worker_thread+0x16e/0x2d0
[  107.709992]  ? rescuer_thread+0x510/0x510
[  107.710014]  kthread+0xe1/0x120
[  107.710032]  ? kthread_park+0xa0/0xa0
[  107.710054]  ret_from_fork+0x16d/0x250
[  107.710075]  ? kthread_park+0xa0/0xa0
[  107.710100]  ret_from_fork_asm+0x11/0x20
[  107.710124]  </TASK>
[  107.710138] ---[ end trace 0000000000000000 ]---
[  111.754006] ------------[ cut here ]------------
[  111.754103] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[  111.754169] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[  111.754225] Tainted: [W]=WARN
[  111.754251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.754287] Workqueue: netns cleanup_net
[  111.754315] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[  111.754346] Code: 80 00 00 00 e8 59 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 76 ac fb ff b9 a6 ff ff
[  111.754462] RSP: 0018:ff4230410023fce8 EFLAGS: 00010286
[  111.754490] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  111.754529] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef030abd00
[  111.754575] RBP: 0000000000000000 R08: ff1e72ef0486bad0 R09: ff1e72ef04b96830
[  111.754611] R10: ff1e72ef04b1e120 R11: fefefefefefefeff R12: 0000000000000000
[  111.754651] R13: 0000000000000011 R14: ff1e72ef04b1e000 R15: ff1e72ef030abd00
[  111.754698] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[  111.754739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.754771] CR2: 0000556761918470 CR3: 0000000002eba001 CR4: 0000000000771ef0
[  111.754819] PKRU: 55555554
[  111.754831] Call Trace:
[  111.754855]  <TASK>
[  111.754871]  unregister_netdevice_many_notify+0x877/0x9d0
[  111.754900]  ops_undo_list+0x20a/0x240
[  111.754922]  cleanup_net+0x1d7/0x2e0
[  111.754946]  process_one_work+0x162/0x360
[  111.754969]  worker_thread+0x16e/0x2d0
[  111.754989]  ? rescuer_thread+0x510/0x510
[  111.755008]  kthread+0xe1/0x120
[  111.755033]  ? kthread_park+0xa0/0xa0
[  111.755054]  ret_from_fork+0x16d/0x250
[  111.755077]  ? kthread_park+0xa0/0xa0
[  111.755097]  ret_from_fork_asm+0x11/0x20
[  111.755123]  </TASK>
[  111.755137] ---[ end trace 0000000000000000 ]---
[  111.763897] ------------[ cut here ]------------
[  111.763950] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[  111.764002] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[  111.764056] Tainted: [W]=WARN
[  111.764080] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.764112] Workqueue: netns cleanup_net
[  111.764134] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[  111.764161] Code: 80 00 00 00 e8 59 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 76 ac fb ff b9 a6 ff ff
[  111.764262] RSP: 0018:ff4230410023fc78 EFLAGS: 00010286
[  111.764289] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  111.764326] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef030abd00
[  111.764365] RBP: 0000000000000000 R08: ff1e72ef0486b810 R09: ff1e72ef06ffd02c
[  111.764403] R10: ff1e72ef0638c120 R11: fefefefefefefeff R12: 0000000000000000
[  111.764439] R13: 0000000000000011 R14: ff1e72ef0638c000 R15: ff1e72ef030abd00
[  111.764481] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[  111.764519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.764554] CR2: 0000556761918470 CR3: 0000000002eba001 CR4: 0000000000771ef0
[  111.764595] PKRU: 55555554
[  111.764609] Call Trace:
[  111.764622]  <TASK>
[  111.764634]  unregister_netdevice_many_notify+0x877/0x9d0
[  111.764661]  default_device_exit_batch+0x318/0x390
[  111.764689]  ops_undo_list+0x10b/0x240
[  111.764712]  cleanup_net+0x1d7/0x2e0
[  111.764733]  process_one_work+0x162/0x360
[  111.764752]  worker_thread+0x16e/0x2d0
[  111.764774]  ? rescuer_thread+0x510/0x510
[  111.764792]  kthread+0xe1/0x120
[  111.764824]  ? kthread_park+0xa0/0xa0
[  111.764842]  ret_from_fork+0x16d/0x250
[  111.764868]  ? kthread_park+0xa0/0xa0
[  111.764891]  ret_from_fork_asm+0x11/0x20
[  111.764925]  </TASK>
[  111.764939] ---[ end trace 0000000000000000 ]---
[  111.786886] ------------[ cut here ]------------
[  111.786946] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[  111.787001] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[  111.787053] Tainted: [W]=WARN
[  111.787075] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.787113] Workqueue: netns cleanup_net
[  111.787137] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[  111.787163] Code: 80 00 00 00 e8 59 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 76 ac fb ff b9 a6 ff ff
[  111.787259] RSP: 0018:ff4230410023fce8 EFLAGS: 00010286
[  111.787292] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  111.787329] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef030abd00
[  111.787368] RBP: 0000000000000000 R08: ff1e72ef01239dd0 R09: ff1e72ef0494b830
[  111.787406] R10: ff1e72ef07691120 R11: fefefefefefefeff R12: 0000000000000000
[  111.787449] R13: 0000000000000011 R14: ff1e72ef07691000 R15: ff1e72ef030abd00
[  111.787489] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[  111.787530] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.787563] CR2: 0000556761918470 CR3: 0000000002eba001 CR4: 0000000000771ef0
[  111.787599] PKRU: 55555554
[  111.787614] Call Trace:
[  111.787630]  <TASK>
[  111.787644]  unregister_netdevice_many_notify+0x877/0x9d0
[  111.787671]  ops_undo_list+0x20a/0x240
[  111.787694]  cleanup_net+0x1d7/0x2e0
[  111.787719]  process_one_work+0x162/0x360
[  111.787740]  worker_thread+0x16e/0x2d0
[  111.787762]  ? rescuer_thread+0x510/0x510
[  111.787782]  kthread+0xe1/0x120
[  111.787814]  ? kthread_park+0xa0/0xa0
[  111.787836]  ret_from_fork+0x16d/0x250
[  111.787865]  ? kthread_park+0xa0/0xa0
[  111.787892]  ret_from_fork_asm+0x11/0x20
[  111.787915]  </TASK>
[  111.787930] ---[ end trace 0000000000000000 ]---
[  111.796877] ------------[ cut here ]------------
[  111.796927] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: kworker/u16:1/65
[  111.796978] CPU: 3 UID: 0 PID: 65 Comm: kworker/u16:1 Tainted: G        W           7.1.0-rc4-virtme #1 PREEMPT(lazy) 
[  111.797029] Tainted: [W]=WARN
[  111.797048] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.797079] Workqueue: netns cleanup_net
[  111.797098] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[  111.797125] Code: 80 00 00 00 e8 59 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 76 ac fb ff b9 a6 ff ff
[  111.797211] RSP: 0018:ff4230410023fc78 EFLAGS: 00010286
[  111.797240] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  111.797278] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1e72ef030abd00
[  111.797317] RBP: 0000000000000000 R08: ff1e72ef01239250 R09: ff1e72ef0636b02c
[  111.797357] R10: ff1e72ef04b68120 R11: fefefefefefefeff R12: 0000000000000000
[  111.797399] R13: 0000000000000011 R14: ff1e72ef04b68000 R15: ff1e72ef030abd00
[  111.797441] FS:  0000000000000000(0000) GS:ff1e72ef9f1c9000(0000) knlGS:0000000000000000
[  111.797484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.797514] CR2: 0000556761918470 CR3: 0000000002eba001 CR4: 0000000000771ef0
[  111.797556] PKRU: 55555554
[  111.797567] Call Trace:
[  111.797583]  <TASK>
[  111.797597]  unregister_netdevice_many_notify+0x877/0x9d0
[  111.797623]  default_device_exit_batch+0x318/0x390
[  111.797651]  ops_undo_list+0x10b/0x240
[  111.797674]  cleanup_net+0x1d7/0x2e0
[  111.797696]  process_one_work+0x162/0x360
[  111.797716]  worker_thread+0x16e/0x2d0
[  111.797737]  ? rescuer_thread+0x510/0x510
[  111.797759]  kthread+0xe1/0x120
[  111.797786]  ? kthread_park+0xa0/0xa0
[  111.797811]  ret_from_fork+0x16d/0x250
[  111.797829]  ? kthread_park+0xa0/0xa0
[  111.797852]  ret_from_fork_asm+0x11/0x20
[  111.797878]  </TASK>
[  111.797893] ---[ end trace 0000000000000000 ]---