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
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