If customers have such problems, it is necessary to build image with this driver or make it using trusty image (create vm with trusty image, download and install i40evf driver, make snap from it and boot vm from this snap)
If customers have such problems, it is necessary to build image with this driver or make it using trusty image (create vm with trusty image, download and install i40evf driver, make snap from it and boot vm from this snap)