Upgrading to bionic with desktop-file-utils_0.23-1ubuntu3.18.04.1_amd64.deb as part of the dist-upgrade also worked fine, as expected (again, ignoring friendly-recovery failure due to container).
Upgrading to bionic with desktop- file-utils_ 0.23-1ubuntu3. 18.04.1_ amd64.deb as part of the dist-upgrade also worked fine, as expected (again, ignoring friendly-recovery failure due to container).