CLOUDSTACK-3939: Add wait time after VM boot up
CLOUDSTACK-3939: Add wait time after VM boot up

If VR is reboot before VM booted up, VM cannot get IP. Add timeout for VM
booting up.

mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver