DPDK: bug fix, Snapshoting a Vm instance fails (vhost lacks VHOST_F_LOG_ALL feature)
DPDK: bug fix, Snapshoting a Vm instance fails (vhost lacks VHOST_F_LOG_ALL feature)

Feature "VHOST_F_LOG_ALL" was added, but the handler is NOT IMPLEMENTED!
In case of "snapshotting" We don't need implement the handler.

Change-Id: I11fd72d75d9e1ebb6debfe1f3e7dd374f8a74a6a
Closes-bug: #1505433

codilime/contrail-vrouter,codilime/contrail-vrouter,codilime/contrail-vrouter,codilime/contrail-vrouter