Fix pop after reset

[andreeaflorescu]

Summary of the PR

This PR adds a (partial) fix for a fuzzing finding. The finding is low (generates a timeout when running with a timeout of 60 seconds), and somewhat similar to https://github.com/rust-vmm/vm-virtio/pull/196.

Requirements

Before submitting your PR, please make sure you addressed the following requirements:

• [x] All commits in this PR are signed (with git commit -s), and the commit message has max 60 characters for the summary and max 75 characters for each description line.
• [x] All added/changed functionality has a corresponding unit/integration test.
• [x] All added/changed public-facing functionality has entries in the "Upcoming Release" section of CHANGELOG.md (if no such section exists, please create one).
• [x] Any newly added unsafe code is properly documented.

[andreeaflorescu]

@rbradford I had to do a push force to fix a test. Can you take another look?