isobuilders can't start Vagrant VMs => all ISO builds fail
Originally created by @intrigeri on #16370 (Redmine)
See e.g.
/var/log/libvirt/qemu/tails-builder-amd64-stretch-20190114-e426707444_default.log
on isobuilder1.lizard
.
I’ve verified that /sys/module/kvm_intel/parameters/nested
says Y
on
lizard.