vmm: migration: gracefully tear down old VM (threads etc)#123

phip1611 wants to merge 2 commits intocyberus-technology:gardenlinuxcyberus-technology/cloud-hypervisor:gardenlinuxfrom

phip1611:fix-gardenlinux-vmm-delete-after-migrationphip1611/cloud-hypervisor:fix-gardenlinux-vmm-delete-after-migrationCopy head branch name to clipboard