Description of problem:
- During import process, if the host is disconnected from network and reconnected back, the imported VM failed to be removed and remains in "canceling" state.
- It is possible to remove this VM manually from webadmin.
- When doing the same scenario from VMware environment, issue does not occur.

Version-Release number of selected component (if applicable):
ovirt-engine-4.0.2.6-0.1.el7ev
libvirt-client-1.2.17-13.el7_2.5.x86_64
vdsm-4.18.11-1.el7ev.x86_64
qemu-kvm-rhev-2.3.0-31.el7_2.21.x86_64
sanlock-3.2.4-3.el7_2.x86_64

How reproducible:
Consistently

Steps to Reproduce:
1. Import VM from Xen environment.
2. When VM import starts to copy disks, disconnect RHEV host from the network.
3. Reconnect host to the network after 5 minutes.

Actual results:
deleteV2VJob started, but VM failed to get removed.

Expected results:
VM should be removed.

Additional info:
vdsm.log, engine.log and webadmin_screenshot attached.
VM ID: c68b402d-1c18-4d9c-97ee-7dad59f6796b
import job ID: 4235cea0-e706-af4f-c296-0346c347741e