Since this has persisted for a couple days and prevents any security updates, here's a workaround (for people who find this bug report after a web search):
dpkg --purge --force-all libguvcview-2.0-2 apt --fix-broken install
Since this has persisted for a couple days and prevents any security updates, here's a workaround (for people who find this bug report after a web search):
dpkg --purge --force-all libguvcview-2.0-2 apt --fix-broken install