Babis Chalios

I created a test that should trigger the guest kernel to detect lockups. I will let the CI run once, so we can make sure that the test works on...

The test does trigger the lockup: https://buildkite.com/firecracker/firecracker-pr/builds/11546.

I've pushed again Nikita's commits that add the call the `KVM_KVMCLOCK_CTRL` ioctl. Tests should be fixed now.

The last commit is not related with PR per se. However, it fixes an intermittent issue in the CI which I was hitting in this PR's pipelines runs and I...