Something happens when killing a guest

[mitake]

Quoting email from @sirio81

This is my cluster

dog node list
Id Host:Port V-Nodes Zone
0 192.168.6.45:7000 644 755411136
1 192.168.6.47:7000 324 788965568
2 192.168.6.48:7000 432 805742784

Sheepdog daemon version 0.9.0_278_g6ca1f21

I was running a single guest.
I tried to kill it.
For few seconds ssh doesn't respond.
In sheep.log I see that:

Sep 17 17:14:39 WARN [block] do_add_vdi_state(379) caution, updating
parent VID of VID: a34a06 (old parent VID: a34a05, new parent VID:
a34a05)
Sep 17 17:14:39 INFO [main] local_vdi_state_checkpoint_ctl(1479)
getting vdi state checkpoint at epoch 0
Sep 17 17:14:39 WARN [block] do_add_vdi_state(379) caution, updating
parent VID of VID: a34a06 (old parent VID: a34a05, new parent VID:
a34a05)
Sep 17 17:14:39 INFO [main] local_vdi_state_checkpoint_ctl(1479)
getting vdi state checkpoint at epoch 0
Sep 17 17:14:39 INFO [main] local_vdi_state_checkpoint_ctl(1479)
getting vdi state checkpoint at epoch 0
Sep 17 17:14:39 INFO [main] local_vdi_state_checkpoint_ctl(1479)
getting vdi state checkpoint at epoch 0
Sep 17 17:14:39 INFO [main] local_vdi_state_checkpoint_ctl(1479)
freeing vdi state checkpoint at epoch 0
Sep 17 17:14:39 INFO [main] local_vdi_state_checkpoint_ctl(1479)
getting vdi state checkpoint at epoch 0
Sep 17 17:14:39 INFO [main] get_vdi_state_checkpoint(2178) get
request for not prepared vdi state checkpoint, epoch: 0
Sep 17 17:14:39 INFO [main] local_vdi_state_checkpoint_ctl(1489)
failed to get vdi state checkpoint: Ask to try again
Sep 17 17:14:39 INFO [main] recover_object_main(1002) object
recovery progress 1%
Sep 17 17:14:39 INFO [main] recover_object_main(1002) object
recovery progress 2%
......