ffffdfff
[    1.755046] R10: ffffffff84676980 R11: ffffffff84726980 R12: dead000000000122
[    1.755143] R13: dead000000000100 R14: ffffffff8437924c R15: ffff9795c5382000
[    1.755226] FS:  0000000000000000(0000) GS:ffff9795fec00000(0000) knlGS:0000000000000000
[    1.755315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    1.755385] CR2: 00007f77b56068e8 CR3: 000000002b042001 CR4: 0000000000772ef0
[    1.755467] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    1.755548] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[    1.755631] PKRU: 55555554
[    1.755660] Call Trace:
[    1.755690]  <TASK>
[    1.755717]  ? __warn+0x88/0x130
[    1.755767]  ? rfc2863_policy+0x102/0x120
[    1.755807]  ? report_bug+0x18e/0x1a0
[    1.755854]  ? prb_read_valid+0x1b/0x30
[    1.755903]  ? handle_bug+0x54/0x90
[    1.755950]  ? exc_invalid_op+0x18/0x70
[    1.755991]  ? asm_exc_invalid_op+0x1a/0x20
[    1.756039]  ? rfc2863_policy+0x102/0x120
[    1.756081]  linkwatch_do_dev+0x16/0x60
[    1.756121]  netdev_run_todo+0xca/0x550
[    1.756167]  ? unregister_netdevice_queue+0x2a/0xf0
[    1.756222]  default_device_exit_batch+0x2a6/0x310
[    1.756278]  ? sit_exit_batch_rtnl+0xb9/0x180
[    1.756338]  cleanup_net+0x251/0x3c0
[    1.756378]  process_one_work+0x165/0x390
[    1.756419]  worker_thread+0x298/0x3b0
[    1.756459]  ? __pfx_worker_thread+0x10/0x10
[    1.756514]  kthread+0xd3/0x100
[    1.756555]  ? __pfx_kthread+0x10/0x10
[    1.756595]  ret_from_fork+0x31/0x50
[    1.756644]  ? __pfx_kthread+0x10/0x10
[    1.756686]  ret_from_fork_asm+0x1a/0x30
[    1.756729]  </TASK>
[    1.756755] ---[ end trace 0000000000000000 ]---