I had the exact same symptoms as sboylan above, and brute-force fixed this issue by running
sudo dpkg -P --force-depends libc6-armel-cross libc6-armhf-cross libc6 -dev-armel-cross libc6-dev-armhf-cross libasan2-armhf-cross libatomic1 -armhf-cross libgcc1-armhf-cross libgomp1-armhf-cross libstdc++-4.8-dev- armhf-cross libstdc++-5-dev-armhf-cross libstdc++6-armhf-cross libubsan0 -armhf-cross then running sudo apt --fix-broken install -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1797557 Title: Bionic updates break upgrade (apt remove libc6-armhf-cross first) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cross-toolchain-base/+bug/1797557/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
