[ 502.378536] ------------[ cut here ]------------
[ 502.378585] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: unshare/646
[ 502.378647] Modules linked in:
[ 502.378672] CPU: 3 UID: 0 PID: 646 Comm: unshare Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 502.378735] Tainted: [W]=WARN
[ 502.378755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 502.378789] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 502.378821] 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 b2 fb ff b9 a6 ff ff
[ 502.378915] RSP: 0018:ff71f0c3809efcc8 EFLAGS: 00010286
[ 502.378945] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 502.378987] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff23231081842100
[ 502.379036] RBP: 0000000000000000 R08: ff23231083183490 R09: ff2323108448f02c
[ 502.379085] R10: ff23231084489118 R11: fefefefefefefeff R12: 0000000000000000
[ 502.379134] R13: 0000000000000010 R14: ff23231084489000 R15: ff23231081842100
[ 502.379183] FS: 00007f7568371740(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 502.379238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 502.379274] CR2: 00007f7568533280 CR3: 00000000073e6003 CR4: 0000000000771ef0
[ 502.379317] PKRU: 55555554
[ 502.379331] Call Trace:
[ 502.379348]
[ 502.379365] rtmsg_ifinfo+0x3c/0xa0
[ 502.379389] register_netdevice+0x889/0x9f0
[ 502.379411] register_netdev+0x1e/0x30
[ 502.379432] loopback_net_init+0x57/0xb0
[ 502.379456] ? vsock_sysctl_init_net+0xb6/0x140
[ 502.379488] ops_init+0x68/0x140
[ 502.379512] setup_net+0x85/0x150
[ 502.379535] copy_net_ns+0xf5/0x200
[ 502.379560] create_new_namespaces+0x117/0x2f0
[ 502.379595] unshare_nsproxy_namespaces+0x85/0xb0
[ 502.379625] ksys_unshare+0x346/0x5e0
[ 502.379649] __x64_sys_unshare+0x12/0x20
[ 502.379674] do_syscall_64+0x104/0xfc0
[ 502.379697] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 502.379727] RIP: 0033:0x7f756846cbcb
[ 502.379750] 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
[ 502.379851] RSP: 002b:00007ffd3c0942c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[ 502.379894] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f756846cbcb
[ 502.379939] RDX: 0000000000000000 RSI: 00007ffd3c094030 RDI: 0000000040000000
[ 502.379981] RBP: 00007ffd3c094650 R08: 00007ffd3c094220 R09: 0000000000000000
[ 502.380030] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[ 502.380071] R13: 0000000000000000 R14: 00000000ffffffff R15: 000055cb0dd31b68
[ 502.380108]
[ 502.380123] ---[ end trace 0000000000000000 ]---
[ 502.380718] ------------[ cut here ]------------
[ 502.380747] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/646
[ 502.380802] Modules linked in:
[ 502.380826] CPU: 3 UID: 0 PID: 646 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 502.380892] Tainted: [W]=WARN
[ 502.380913] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 502.380950] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 502.380978] 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 b2 fb ff b9 a6 ff ff
[ 502.381079] RSP: 0018:ff71f0c3809efd68 EFLAGS: 00010286
[ 502.381105] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 502.381147] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff23231081842100
[ 502.381193] RBP: 0000000000000000 R08: ff23231081904950 R09: ff23231082df8030
[ 502.381236] R10: ff23231086788118 R11: fefefefefefefeff R12: 0000000000000000
[ 502.381278] R13: 0000000000000010 R14: ff23231086788000 R15: ff23231081842100
[ 502.381324] FS: 0000000030aa1400(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 502.381368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 502.381407] CR2: 00007fc771bbd000 CR3: 000000000451e004 CR4: 0000000000771ef0
[ 502.381451] PKRU: 55555554
[ 502.381465] Call Trace:
[ 502.381479]
[ 502.381494] rtmsg_ifinfo+0x3c/0xa0
[ 502.381516] register_netdevice+0x889/0x9f0
[ 502.381534] __tun_chr_ioctl+0x83c/0x16c0
[ 502.381560] ? do_sys_openat2+0x9a/0xe0
[ 502.381584] __x64_sys_ioctl+0xa1/0xe0
[ 502.381609] do_syscall_64+0x104/0xfc0
[ 502.381630] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 502.381655] RIP: 0033:0x47cc8d
[ 502.381678] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 502.381771] RSP: 002b:00007ffe34081f00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 502.381821] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 502.381862] RDX: 00007ffe34081f80 RSI: 00000000400454ca RDI: 0000000000000005
[ 502.381902] RBP: 00007ffe34081f50 R08: 0000000000000000 R09: 0000000000000000
[ 502.381950] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34082458
[ 502.381995] R13: 00007ffe340824d8 R14: 0000000000000002 R15: 0000000000543540
[ 502.382049]
[ 502.382064] ---[ end trace 0000000000000000 ]---
[ 502.382107] ------------[ cut here ]------------
[ 502.382138] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/646
[ 502.382179] Modules linked in:
[ 502.382200] CPU: 3 UID: 0 PID: 646 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 502.382256] Tainted: [W]=WARN
[ 502.382277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 502.382311] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 502.382341] 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 b2 fb ff b9 a6 ff ff
[ 502.382444] RSP: 0018:ff71f0c3809efd60 EFLAGS: 00010286
[ 502.382478] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[ 502.382522] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff23231081842100
[ 502.382566] RBP: 0000000000000002 R08: ff23231081904950 R09: ff23231082df8030
[ 502.382611] R10: ff23231086788118 R11: fefefefefefefeff R12: 0000000000000000
[ 502.382656] R13: 0000000000000010 R14: ff23231086788000 R15: ff23231081842100
[ 502.382698] FS: 0000000030aa1400(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 502.382741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 502.382769] CR2: 00007fc771bbd000 CR3: 000000000451e004 CR4: 0000000000771ef0
[ 502.382813] PKRU: 55555554
[ 502.382827] Call Trace:
[ 502.382843]
[ 502.382857] rtnetlink_event+0x6e/0xb0
[ 502.382876] notifier_call_chain+0x6d/0x100
[ 502.382900] netdev_update_features+0x56/0x60
[ 502.382928] __tun_chr_ioctl+0xbf1/0x16c0
[ 502.382951] ? file_init_path+0x62/0x120
[ 502.382970] __x64_sys_ioctl+0xa1/0xe0
[ 502.382990] do_syscall_64+0x104/0xfc0
[ 502.383016] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 502.383043] RIP: 0033:0x47cc8d
[ 502.383066] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 502.383164] RSP: 002b:00007ffe34081f40 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 502.383209] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 502.383252] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[ 502.383294] RBP: 00007ffe34081f90 R08: 0000000000000000 R09: 0000000000000000
[ 502.383334] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34082458
[ 502.383378] R13: 00007ffe340824d8 R14: 0000000000000002 R15: 0000000000543540
[ 502.383424]
[ 502.383440] ---[ end trace 0000000000000000 ]---
[ 502.383486] ------------[ cut here ]------------
[ 502.383517] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/646
[ 502.383567] Modules linked in:
[ 502.383592] CPU: 3 UID: 0 PID: 646 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 502.383644] Tainted: [W]=WARN
[ 502.383664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 502.383702] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 502.383730] 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 b2 fb ff b9 a6 ff ff
[ 502.383836] RSP: 0018:ff71f0c3809efc10 EFLAGS: 00010286
[ 502.383867] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[ 502.383908] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff23231081842100
[ 502.383950] RBP: 0000000000000000 R08: ff23231081904950 R09: ff2323108448d030
[ 502.383995] R10: ff23231086788118 R11: fefefefefefefeff R12: 0000000000000000
[ 502.384042] R13: 0000000000000010 R14: ff23231086788000 R15: ff23231081842100
[ 502.384088] FS: 0000000030aa1400(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 502.384128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 502.384161] CR2: 00007fc771bbd000 CR3: 000000000451e004 CR4: 0000000000771ef0
[ 502.384204] PKRU: 55555554
[ 502.384219] Call Trace:
[ 502.384234]
[ 502.384249] rtmsg_ifinfo+0x3c/0xa0
[ 502.384270] __dev_notify_flags+0xb1/0xf0
[ 502.384293] netif_change_flags+0x54/0x70
[ 502.384320] dev_change_flags+0x45/0x80
[ 502.384344] devinet_ioctl+0x607/0x7f0
[ 502.384368] inet_ioctl+0x229/0x240
[ 502.384392] ? __rtnl_unlock+0x35/0x60
[ 502.384413] sock_do_ioctl+0x75/0x140
[ 502.384438] __x64_sys_ioctl+0xa1/0xe0
[ 502.384458] do_syscall_64+0x104/0xfc0
[ 502.384480] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 502.384509] RIP: 0033:0x47cc8d
[ 502.384529] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 502.384630] RSP: 002b:00007ffe34081f20 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 502.384675] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[ 502.384718] RDX: 00007ffe34081f90 RSI: 0000000000008914 RDI: 0000000000000006
[ 502.384765] RBP: 00007ffe34081f70 R08: 0000000000000000 R09: 0000000000000000
[ 502.384810] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe34082458
[ 502.384857] R13: 00007ffe340824d8 R14: 0000000000000002 R15: 0000000000543540
[ 502.384901]
[ 502.384916] ---[ end trace 0000000000000000 ]---
[ 547.363522] ------------[ cut here ]------------
[ 547.363593] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: packetdrill/646
[ 547.363654] Modules linked in:
[ 547.363684] CPU: 3 UID: 0 PID: 646 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 547.363748] Tainted: [W]=WARN
[ 547.363773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 547.363810] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 547.363845] 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 b2 fb ff b9 a6 ff ff
[ 547.363945] RSP: 0018:ff71f0c3809efb58 EFLAGS: 00010286
[ 547.363975] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[ 547.364183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108312dd00
[ 547.364228] RBP: 0000000000000000 R08: ff23231081904950 R09: ff2323108448d030
[ 547.364271] R10: ff23231086788118 R11: fefefefefefefeff R12: 0000000000000000
[ 547.364313] R13: 0000000000000010 R14: ff23231086788000 R15: ff2323108312dd00
[ 547.364368] FS: 0000000000000000(0000) GS:ff23231129816000(0000) knlGS:0000000000000000
[ 547.364415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 547.364452] CR2: 00007fc771bbd000 CR3: 0000000020c42005 CR4: 0000000000771ef0
[ 547.364497] PKRU: 55555554
[ 547.364514] Call Trace:
[ 547.364532]
[ 547.364551] rtmsg_ifinfo+0x3c/0xa0
[ 547.364571] netif_close_many+0xed/0x190
[ 547.364602] unregister_netdevice_many_notify+0x267/0x9d0
[ 547.364634] ? __queue_work+0x141/0x550
[ 547.364660] unregister_netdevice_queue+0x9e/0xd0
[ 547.364689] __tun_detach+0x591/0x5b0
[ 547.364714] tun_chr_close+0x3f/0xc0
[ 547.364767] __fput+0xe8/0x2c0
[ 547.364790] task_work_run+0x63/0xa0
[ 547.364822] do_exit+0x2c1/0xba0
[ 547.364849] ? netlink_recvmsg+0x18d/0x310
[ 547.364875] do_group_exit+0x2d/0xc0
[ 547.364897] get_signal+0x82e/0x900
[ 547.364923] arch_do_signal_or_restart+0x77/0x2b0
[ 547.364955] exit_to_user_mode_loop+0x75/0x4a0
[ 547.364988] do_syscall_64+0x439/0xfc0
[ 547.365016] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 547.365046] RIP: 0033:0x4c2d9e
[ 547.365068] Code: Unable to access opcode bytes at 0x4c2d74.
[ 547.365099] RSP: 002b:00007ffe340818b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 547.365145] RAX: 0000000000000014 RBX: 00007ffe34081940 RCX: 00000000004c2d9e
[ 547.365187] RDX: 0000000000000000 RSI: 00007ffe34081950 RDI: 0000000000000007
[ 547.365232] RBP: 00007ffe340818c0 R08: 0000000000000000 R09: 0000000000000000
[ 547.365274] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe34081934
[ 547.365316] R13: 00007ffe340824d8 R14: 00007ffe34081a80 R15: 0000000000543540
[ 547.365359]
[ 547.365374] ---[ end trace 0000000000000000 ]---
[ 547.365489] ------------[ cut here ]------------
[ 547.365521] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/646
[ 547.365577] Modules linked in:
[ 547.365600] CPU: 0 UID: 0 PID: 646 Comm: packetdrill Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 547.365655] Tainted: [W]=WARN
[ 547.365676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 547.365712] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 547.365743] 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 b2 fb ff b9 a6 ff ff
[ 547.365843] RSP: 0018:ff71f0c3809efbc8 EFLAGS: 00010286
[ 547.365872] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 547.365916] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff23231081842600
[ 547.365960] RBP: 0000000000000000 R08: ff23231081904950 R09: ff23231086d1b030
[ 547.366008] R10: ff23231086788118 R11: fefefefefefefeff R12: 0000000000000000
[ 547.366053] R13: 0000000000000011 R14: ff23231086788000 R15: ff23231081842600
[ 547.366099] FS: 0000000000000000(0000) GS:ff23231129696000(0000) knlGS:0000000000000000
[ 547.366144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 547.366174] CR2: 00007fdc59438f98 CR3: 0000000020c42004 CR4: 0000000000771ef0
[ 547.366220] PKRU: 55555554
[ 547.366236] Call Trace:
[ 547.366251]
[ 547.366267] unregister_netdevice_many_notify+0x877/0x9d0
[ 547.366297] unregister_netdevice_queue+0x9e/0xd0
[ 547.366327] __tun_detach+0x591/0x5b0
[ 547.366354] tun_chr_close+0x3f/0xc0
[ 547.366386] __fput+0xe8/0x2c0
[ 547.366410] task_work_run+0x63/0xa0
[ 547.366431] do_exit+0x2c1/0xba0
[ 547.366458] ? netlink_recvmsg+0x18d/0x310
[ 547.366480] do_group_exit+0x2d/0xc0
[ 547.366502] get_signal+0x82e/0x900
[ 547.366522] arch_do_signal_or_restart+0x77/0x2b0
[ 547.366554] exit_to_user_mode_loop+0x75/0x4a0
[ 547.366583] do_syscall_64+0x439/0xfc0
[ 547.366607] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 547.366637] RIP: 0033:0x4c2d9e
[ 547.366658] Code: Unable to access opcode bytes at 0x4c2d74.
[ 547.366687] RSP: 002b:00007ffe340818b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
[ 547.366740] RAX: 0000000000000014 RBX: 00007ffe34081940 RCX: 00000000004c2d9e
[ 547.366780] RDX: 0000000000000000 RSI: 00007ffe34081950 RDI: 0000000000000007
[ 547.366823] RBP: 00007ffe340818c0 R08: 0000000000000000 R09: 0000000000000000
[ 547.366866] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe34081934
[ 547.366908] R13: 00007ffe340824d8 R14: 00007ffe34081a80 R15: 0000000000543540
[ 547.366950]
[ 547.366969] ---[ end trace 0000000000000000 ]---
[ 547.377121] ------------[ cut here ]------------
[ 547.377163] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: kworker/u16:0/12
[ 547.377229] Modules linked in:
[ 547.377252] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.1.0-rc4-virtme #1 PREEMPT(lazy)
[ 547.377309] Tainted: [W]=WARN
[ 547.377332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 547.377371] Workqueue: netns cleanup_net
[ 547.377396] RIP: 0010:rtmsg_ifinfo_build_skb+0xc8/0x110
[ 547.377424] 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 b2 fb ff b9 a6 ff ff
[ 547.377520] RSP: 0018:ff71f0c380067c78 EFLAGS: 00010286
[ 547.377552] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[ 547.377594] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2323108182b300
[ 547.377639] RBP: 0000000000000000 R08: ff23231083183490 R09: ff232310872d602c
[ 547.377683] R10: ff23231084489118 R11: fefefefefefefeff R12: 0000000000000000
[ 547.377730] R13: 0000000000000011 R14: ff23231084489000 R15: ff2323108182b300
[ 547.377772] FS: 0000000000000000(0000) GS:ff23231129716000(0000) knlGS:0000000000000000
[ 547.377819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 547.377848] CR2: 00007fdc5941a680 CR3: 0000000020c42002 CR4: 0000000000771ef0
[ 547.377889] PKRU: 55555554
[ 547.377904] Call Trace:
[ 547.377917]
[ 547.377932] unregister_netdevice_many_notify+0x877/0x9d0
[ 547.377962] default_device_exit_batch+0x318/0x390
[ 547.377990] ops_undo_list+0x10b/0x240
[ 547.378019] cleanup_net+0x1d7/0x2e0
[ 547.378043] process_one_work+0x162/0x360
[ 547.378063] worker_thread+0x16e/0x2d0
[ 547.378087] ? rescuer_thread+0x510/0x510
[ 547.378108] kthread+0xe1/0x120
[ 547.378130] ? kthread_park+0xa0/0xa0
[ 547.378151] ret_from_fork+0x16d/0x250
[ 547.378175] ? kthread_park+0xa0/0xa0
[ 547.378197] ret_from_fork_asm+0x11/0x20
[ 547.378223]
[ 547.378237] ---[ end trace 0000000000000000 ]---