ffffdfff
[   11.186672] R10: ffffffff88476980 R11: ffffffff88526980 R12: dead000000000122
[   11.186723] R13: dead000000000100 R14: ffffffff8817924c R15: ffff9748c72e6000
[   11.186775] FS:  0000000000000000(0000) GS:ffff9748fed80000(0000) knlGS:0000000000000000
[   11.186830] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.186870] CR2: 00007f90f16638e8 CR3: 0000000022842001 CR4: 0000000000772ef0
[   11.186934] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   11.186990] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   11.187060] PKRU: 55555554
[   11.187084] Call Trace:
[   11.187111]  <TASK>
[   11.187133]  ? __warn+0x88/0x130
[   11.187169]  ? rfc2863_policy+0x102/0x120
[   11.187195]  ? report_bug+0x18e/0x1a0
[   11.187228]  ? prb_read_valid+0x1b/0x30
[   11.187258]  ? handle_bug+0x54/0x90
[   11.187289]  ? exc_invalid_op+0x18/0x70
[   11.187321]  ? asm_exc_invalid_op+0x1a/0x20
[   11.187357]  ? rfc2863_policy+0x102/0x120
[   11.187387]  linkwatch_do_dev+0x16/0x60
[   11.187418]  netdev_run_todo+0xca/0x550
[   11.187450]  ? unregister_netdevice_queue+0x2a/0xf0
[   11.187491]  default_device_exit_batch+0x2a6/0x310
[   11.187531]  ? sit_exit_batch_rtnl+0xb9/0x180
[   11.187572]  cleanup_net+0x251/0x3c0
[   11.187603]  process_one_work+0x165/0x390
[   11.187639]  worker_thread+0x298/0x3b0
[   11.187663]  ? __pfx_worker_thread+0x10/0x10
[   11.187702]  kthread+0xd3/0x100
[   11.187734]  ? __pfx_kthread+0x10/0x10
[   11.187765]  ret_from_fork+0x31/0x50
[   11.187797]  ? __pfx_kthread+0x10/0x10
[   11.187822]  ret_from_fork_asm+0x1a/0x30
[   11.187855]  </TASK>
[   11.187877] ---[ end trace 0000000000000000 ]---